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Biographical Memoirs

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Biographical Memoirs J. FRANK SCHAIRER April 13, 1904–September 26, 1970 BY H. S. YODER, JR. FEW PEOPLE HAVE GIVEN so generously of their kind help and good cheer to so many as J. Frank Schairer. His multitude of friends reflect on his passing with sadness, yet they cannot help being warmed by the memories of his vigorous and happy life and grateful for his prodigious contributions to experimental mineralogy and petrology. Schairer's researches yielded an immense number of accurate determinations of the melting relations of the common rock-forming minerals at one atmosphere and in vacuo. To many colleagues the greater contribution was his simple and contagious philosophy of life that added zest and joy to all whose lives he touched. John Frank Schairer was born in Rochester, New York, on April 13, 1904. His father, John George Schairer (1876-1965), was a master lithographer and later a farmer. His mother, Josephine Marie (né e Frank) Schairer (1874-1939), taught school for eight years before her marriage in 1903. Frank, the name his parents preferred, was the first born and he was followed by six girls. EXCEPTIONAL SCHOLASTIC RECORD When Frank was five years old he entered the kindergarten of Rochester Public School No. 32 with his sister Helen.

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Biographical Memoirs They also entered first grade together at Immaculate Conception Parochial School. “He was a bright student, but not bookish,” and skipped third grade, according to Helen in 1971. His exceptional scholastic record in grammar school (eight-year program) led to the winning of a Gold Medal. As was the custom in families of modest means, Frank had a magazine route and delivered the Ladies Home Journal and the Saturday Evening Post in the neighborhood. He fished with his chums in the tributaries of the Genesee River, which flows through Rochester. In 1917 Frank entered Rochester Cathedral High School (four-year program) where his potential was immediately recognized. Sister Pauline (Smyth) and Father J. E. Grady especially influenced his subsequent development in the field of science. During his first year in high school the family moved from Rochester to a farm near the town of Greece, some 5 miles northwest of Rochester, because of his father 's occupational health problem and economic straits resulting from a long strike. The new farm life demanded much of Frank's spare time, yet he maintained honor grades and was a member of the debating team. His mother, always the teacher, imparted her own interest in nature, especially botany, to the family during hikes through the local woods. A small chemistry laboratory was built by Frank in the attic where flares were produced for the neighborhood fireworks display on the Fourth of July. The parental concern and control of the use of the laboratory are well documented by his sisters. There was a great sense of family unity and love, and most of the activities centered on the home. Instillment of good moral values coupled with discipline wisely administered and a sound basic education appeared to be the predominant goals of his parents. All the children were afforded some musical training and Frank learned to play the piano. For those who have heard him

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Biographical Memoirs sing at church, campfires, or at occasions when the National Anthem was sung, the musical training would seem to have been of no avail. At the suggestion of his mentors at Rochester Cathedral High School, Frank entered competitive examination for a scholarship at Yale University offered by the alumni association of Rochester. A tie resulted and, after due consideration, the alumni decided to offer both men a scholarship. A loan from an aunt, Miss Mary Schairer, provided some supplementary funds for him to accept the opportunity. Summer employment and waiting tables at Johnson's Eating House provided the remaining money for his support. HOOKED FOR LIFE His first interest in mineralogy grew out of a field trip to Old Gillette quarry at Haddam Neck, Connecticut, during a weekend outing spent with a classmate's father, George N. Norton, the local country doctor who had taken geology under James Dwight Dana. Greatly fascinated by the beauty of the well-crystallized minerals in the pegmatite with its highly varied and exotic chemistry, Schairer was hooked on the chemistry of rocks and minerals for life. At the end of his freshman year in 1922 at the Sheffield Scientific School, Frank won the New York Yale Club prizes in chemistry II and German I. In his sophomore year he won the Samuel Lewis Penfield prize for excellence in mineralogy. At that time the laboratory assistants in the mineralogy course were William W. Rubey (NAS Biographical Memoirs, volume 49) and James Gilluly (NAS Biographical Memoirs, volume 56), both of whom became prominent members of the U.S. Geological Survey and leaders in the National Academy of Sciences. On the basis of that single course in mineralogy and many field excursions, Schairer helped or-

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Biographical Memoirs ganize the Yale Mineralogical Society and was elected its first president on October 5, 1923. With his principal focus on chemistry he found summer employment in the relatively new research laboratories of the Eastman Kodak Company in the synthetic chemicals department under the direction of the highly respected Hans Clarke. Frank's assignment was the synthesis of sodium thioglycolate, a technique that was tricky because of the required purity of chemicals (Shepler, 1971). He was later dismayed to learn that all his efforts were spent merely to produce a chemical for modifying wool fibers and especially for use in the straightening or cold waving of human hair. His sisters recall his returning home at the end of the summer with hands deeply stained chestnut brown! Schairer's senior year was predominantly devoted to chemistry. He saved his lunch money to buy the three-volume work by H. W. Bakhuis Roozeboom on the principles of heterogeneous phase equilibria to supplement his interests in thermodynamics and phase chemistry. He graduated magna cum laude in the class of 1925 after election to membership in Alpha Chi Sigma (chemistry) and Sigma Xi (scientific research). Time was also found to pursue his interests in organic evolution and advanced petrology. On graduation he had five papers in mineralogy published or in press! STRADDLING THE FENCE Although registered for a doctorate in chemistry, Schairer made the unusual request to take a master of science degree in mineralogy. The chairman of the Department of Geological Sciences at Yale was then Charles H. Warren, the same man who had earlier, while at the Massachusetts Institute of Technology, launched Norman L. Bowen on a career of experimental petrology involving phase equilibria

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Biographical Memoirs at the Geophysical Laboratory in Washington, D.C. With the strong support of the faculty of the Department of Geological Sciences, the dean of the graduate school agreed to the request. During the 1925-26 period, Schairer served as laboratory assistant in the Sterling Chemical Laboratory and as president of the Chi chapter of Alpha Chi Sigma. His essay for the M.S. degree was on “The mineralogy and paragenesis of the pegmatite at Collins Hill, Portland, Connecticut. ” It was given a superior rating and was described as representing “an exceptional amount of original work for an M.S. degree.” It is of note that his principal professors included John Johnston, formerly a chemist specializing in high-pressure phenomena in minerals at the Geophysical Laboratory; W. E. Ford, who was revising E. S. Dana's Textbook of Mineralogy (fourth edition); H. W. Foote, who made substantial contributions to the chemistry of minerals and was a physical chemist trained by S. L. Penfield; and Adolph Knopf, internationally renown igneous petrologist. THE ENTHUSIAST In April 1926 Professor Charles H. Warren wrote to A. L. Day, director of the Geophysical Laboratory in Washington, D.C., recalling that Norman L. Bowen had been a predoctoral fellow there and suggesting a “somewhat similar program” for another graduate student, J. F Schairer. He is “not only a man of unusual ability, but of really tremendous energy, and his enthusiasm for research work exceeds that of almost anyone I have known for a long time. We have never found it possible here to give him so much work to do that he was not habitually branching off into some piece of research work.” The interview that followed shortly was successful, but apparently Warren had difficulty in obtaining the necessary financial support. In the meantime, Schairer worked on the Na2SO4-NaCl-NaF-H2O system under Harry

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Biographical Memoirs W. Foote in chemistry. The temperature range was 10-35°C so no special equipment was required. At the end of January 1927 another interview was arranged with Day; Schairer (1964) records his recollections of the discussion: At that time Arthur L. Day, director of the Geophysical Laboratory, did not want any young men on fellowships. He said that they were only there for a year, took up time and space, and in one year only found out what they should have done if they only knew how. However, he agreed to see me and talk it over. He found that I had a tremendous interest in phase equilibrium and had been working at Yale on the quaternary system Na2SO4-NaF-NaCl-H2O. He said he wouldn't take me on a fellowship but would give me a job. I was surprised and pointed out that I did not yet have my doctor's degree. He said, “You know that a doctor's degree is merely a certificate that you have had the proper training and I can see that you have had that.” So many students fail to recognize this truth and believe that if you have this magic degree you do not have to think or work the rest of your life and that the world owes you a living. Schairer reported to work on September 1, 1927. His thesis was written at the Geophysical Laboratory and his comprehensive examinations in organic and physical chemistry were mailed to the laboratory and administered by the director. The Ph.D. degree was awarded in June 1928, and the thesis was published in two parts by the American Chemical Society (Foote and Schairer, 1930 a,b). The system investigated was pertinent to the mineral deposits of Searles Lake, California. One of the compounds discovered by Schairer in the synthetic system was Na2SO4 · Na(F,Cl). It was later discovered by W. F. Foshag (1931) in the sediments of Searles Lake and named schairerite. The brine that permeates the salt deposit is uniformly 23°C throughout the year, a temperature close to one of Schairer's isotherms. [The ratio of F to Cl in the natural compound has been determined by Brown and Pabst (1971) to be 6:1. Another similar compound with F:Cl equal to 4:1 is known

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Biographical Memoirs as galeite, and the fluorine endmember, also synthesized by Schairer, has been found in the Kola Peninsula [Kogarko, 1961).] Because of crowded conditions at the Geophysical Laboratory, Schairer had the good fortune to be assigned a desk in the office of N. L. Bowen, who no doubt had a very sympathetic understanding of Schairer 's predoctoral status because of his own similar experience. At that moment Bowen was probably enjoying the most intellectually exciting time of his life. He was preparing his lecture series at Princeton University, given in the spring of 1927, for publication as “The Evolution of the Igneous Rocks,” copies of which were not received until December 1928 (Bowen, 1928). Bowen showed Schairer the quenching technique of Shepherd, Rankin, and Wright (1909), now the preferred method for studying silicate phase relations. Together they investigated leucite-diopside, which turned out to be a simple binary system (Bowen and Schairer, 1929). Nevertheless, true to the rule that no system is really simple, they had to devise a method for making compositions on the join in spite of the volatilization of potassium at temperatures ranging from 1200-1740°C, just within the melting point of the pure platinum crucible (1755°C on the Geophysical Laboratory temperature scale). During his intensive training period at the Geophysical Laboratory, he managed to write his thesis and complete a major work on “The Minerals of Connecticut.” He had collected the data while he was at Yale by hiking to the various mineral localities, occasionally using a streetcar or train to reach the more distant parts. His Bulletin of the Connecticut Geology and Natural History Survey records many reports of the first discovery of the rarer minerals and corrects several misidentifications. In Schairer's view some of the quarries were a “mineralogist's paradise.”

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Biographical Memoirs According to Schairer (1964) the only directive he ever received from the director of the Geophysical Laboratory was that he could do anything he “chose to do but he hoped it would have something to do with iron oxides.” With this slight nudge Bowen and Schairer investigated the iron-oxide systems with great vigor. From the incongruent fusion relations of acmite (NaFe3+Si2O6) on the Na2O·4SiO2-Fe2O3 join (Bowen and Schairer, 1929) they investigated the ternary Na 2SiO3-Fe2O3-SiO2 (Bowen, Schairer, and Willems, 1930). They clearly stated that the system was not really ternary because small amounts of iron were in the ferrous state. Obviously, the next system to do was FeO-SiO 2, but the charges oxidized in air and attacked the platinum crucible and all ceramic containers. Bowen and Schairer solved this problem by using pure iron crucibles in an inert (oxygen-free nitrogen) atmosphere. In this way the Fe2O3 content of the liquid was controlled reproducibly in the presence of native iron and subsequently determined by chemical analysis. Development of this important buffering technique, now used for other metal-oxide systems, led to the successful investigation, with various colleagues, of the following systems relevant to rocks and rock-forming minerals. Ca2SiO4-Fe2SiO4 1933 CaO-FeO-SiO2 1933 MgO-FeO-SiO2 1935 Albite-Fayalite 1936 Nepheline-Fayalite-SiO2 1938 CaO-FeO-Al2O3-SiO2 1942 CaO-MgO-FeO-SiO2 1950 FeO-Al2O3-SiO2 1952 These systems contain practically all the important end members and many of the simple solid solutions of the rock-

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Biographical Memoirs forming minerals: olivines, pyroxenes, pyroxenoids, melilites, feldspars, feldspathoids, cordierite, iron oxides (e.g., wüstite, magnetite, and hematite), and the SiO2 minerals. The complexity of the two quaternary systems led Schairer to express the major courses of fractionation of liquids as a flow sheet. The boundary curves within the tetrahedral models could thereby be laid out in two dimensions and the relationship of the various invariant points exhibited with clarity. The flow sheet concept has since been applied to the even more complex relationships of natural rocks that tend to concentrate at or near invariant points in multicomponent space. The applications of these systems to the steel and ceramic industries were greatly appreciated, but Schairer was true to his major goals in spite of the accolades from those industries (Schairer, 1942): As you probably know, my major interest has always been the application of physical chemistry to geological problems, particularly the problem of the origin of igneous rocks and their minerals. My attitude has always been that my major studies should be on rock-forming minerals and that I should confine my attention to systems of direct or very close interest in solving mineralogical or geological problems. If these studies had ceramic, metallurgical, or other scientific interest it was all to the good, but I have never instituted any research project because it was of special interest to ceramics or metallurgy. Thus, I do not wish to pose as a bona fide ceramist, although I have always had a kindly and sympathetic interest in problems in the general chemistry of ceramics. He was not a bona fide metallurgist either, but it did not prevent him from making a major contribution in that field during World War II as described below. The motivation for investigating the iron-bearing systems was primarily the pursuit of knowledge, but another driving force was probably the escalating argument between colleagues N. L. Bowen and C. N. Fenner regarding the con-

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Biographical Memoirs centration of FeO and SiO2 in the residual liquids undergoing crystallization differentiation. Bowen argued that fractional crystallization leads to the enrichment of residual liquids in iron relative to magnesium, but is overshadowed more commonly by an overwhelming increase in the alkali and silica content. Fenner, on the other hand, advocated the more rarely observed trend of absolute enrichment of residual liquids in iron. Fortunately the argument was resolved later when due regard was given the state of iron oxidation (Osborn, 1959), and both the Bowen trend and the Fenner trend could be demonstrated in the laboratory. FELDSPARS AND FELDSPATHOIDS The first system to be investigated at the Geophysical Laboratory was the plagioclase solid solution series (Day, Allen, and Iddings, 1905). The high viscosity of the feldspar melts was the chief difficulty; albite glass also resisted crystallization even in subsequent experiments by Bowen (1913). Seeding was of no avail. For this reason, Bowen and Schairer (1936, 1938) tried to use fayalite as a flux in promoting the crystallization of albite, and some success was achieved. Even in preliminary studies (Schairer and Bowen, 1947) on the more general systems Na2O-Al2O3-SiO2 (Schairer and Bowen, 1956) and K2O-Al2O3-SiO2 (Schairer and Bowen, 1955), containing albite and sanidine respectively, considerable difficulty was found in growing the feldspar crystals. Schairer (1951) finally arrived at a solution to the kinetics problem. By a process of acclimation involving successively lower treatment temperatures of the liquid with intermediate crushings of the glass, he was able to produce the appropriate structure in the liquid so that crystallization took place promptly below the true melting point. From then on it was possible to study the alkali feldspar join (Schairer, 1950) and the ternary feldspars (Franco and Schairer, 1951).

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Biographical Memoirs early to avoid delaying the others and returning in time to cook breakfast. The Bible he carried was in French. One of his favorite stories included a description of his confession with the Bishop of Quimper. The hour-long discussion in the confessional about the best fishing spots in France was totally misinterpreted by the other parishioners waiting in line. THE ORGANIZER Shortly after arriving in Washington, Schairer joined the Wild Flower Society, but discovered they were a “bunch of piddling old ladies ” who “took an hour to walk a mile.” On November 22, 1927, he joined with friends holding similar views and formed the Potomac Appalachian Trail Club. He served first as treasurer and then as supervisor of trails. They started blazing trail near Harper's Ferry, West Virginia, and worked south through Virginia. Under Schairer's supervision the club constructed and blazed about 260 miles of the Appalachian Trail from 1928 to 1932. Their work contributed to the formation of the Shenandoah National Park that had been authorized in 1926 and was established on December 26, 1935. From his contacts with the mountaineers Schairer learned to square dance. With his usual enthusiasm he became a charter member of the Allemande Lefters, a square dance group in Palisades, Maryland. As the group matured it was occasionally referred to as the Allemande Leftovers. Another organization he helped form, in March 1947, was the National Capital Orchid Society. He served as its president for two terms, in 1949 and again in 1963. For twenty years he was editor of its bulletin. In 1957 Schairer was president of the Eastern Orchid Congress. With untiring energy Schairer kept alive the sparkle, fun, and fascination of growing orchids. He was an inspiration to many

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Biographical Memoirs growers because he was able to maintain over seventy-five varieties in a windowsill environment that was the envy of many commercial growers. As he would say in his many lectures to clubs and societies, “You've got to think like an orchid.” He had very simple ways of tailoring the humidity, sun, and temperature to the needs of each variety on his sun porch. His successes influenced many commercial growers who, with elaborate greenhouses, expanded the number of varieties for public sale. It was his custom to give the back part of his best plants to club members with the recommendation that they follow suit. Except for the bridal bouquet for his daughter Jeanne, the spectacular blossoms were plucked only to enhance the health of the plant. In addition to his interest in orchids he led an annual tour in May to see the trilliums in bloom on Skyline Drive in the Shenandoah National Park. Schairer would organize a fishing trip when there was a lull in his many activities. He learned the hard way that the opening of the fishing season was not a national holiday. The only reprimand in the files of Dr. Day, director of the Geophysical Laboratory, was a letter to Schairer in regard to unauthorized absences for long fishing weekends. It seemed thoroughly incongruous that such a highly energized person would stand for hours in cold water patiently waiting for a fish to bite. It took considerable persuasion during geological field trips to prevent him from dropping his line in every tempting stream. During his professional career Schairer served as president of the Mineralogical Society of America (1943); president of the Geochemical Society (1967); president of the Volcanology, Geochemistry and Petrology Section of the American Geophysical Union (1956-59); vice-president of the Geological Society of America (1944); and vice-president of the International Association of Volcanology. In ad-

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Biographical Memoirs dition, he was elected to the Petrologist's Club on December 20, 1927, and served as its secretary-treasurer (the presiding officer) for five years. THE FAMILY TIES The Schairers were a close and loving family. Frank's frequent trips home during college and after his move to Washington continued until the death of his mother on November 13, 1939. He married Ruth Naylor, who shared his fondness for the outdoors, on July 20, 1940. Frank had followed his own advice to the young Fellows: Take your bride-to-be on the trail. After rain, cold, blisters and hunger, you—or she—can make sure that love is not blind. They honeymooned on Upper Kintla Lake in the remote northern section of Glacier National Park, Montana. Twins John (Jack) Everett and Jeanne Evelyn, born on February 17, 1943, were a constant joy for all the family. Frank's father made long visits to Washington and took great pride in wheeling the twins down the avenue. His six sisters are Helen and Marion Schairer of Rochester, New York; Mrs. Emily Callahan of Bridgeport, New York; Rosemary Schairer and Mrs. Virginia Meagher of Anchor-age, Alaska; and Margaret Turner of Victor, New York. Jack Schairer now resides in Madison, Wisconsin, and Mrs. Jeanne Rzeszut lives in Anchorage, Alaska. Mrs. Ruth Schairer continues to enjoy their retirement home in Chevy Chase, Maryland. REST AT LAST Mandatory retirement occurred on June 30, 1969, but as Schairer put it, “They retired me one day and rehired me the next day.” His part-time employment, with supplemental remuneration, did not diminish his full-time contribution. At a banquet in his honor on April 21, 1969, over 100

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Biographical Memoirs friends saw a pictorial review of his life. He was presented with “The Schairer Volume,” a special volume of the American Journal of Science (vol. 267A), consisting of twenty-eight papers on new phase equilibria studies by his colleagues, former fellows, and a few other experimentalists. Hardcover copies of the volume were bound in blue and gold, the Yale University colors. The end of this happy and productive life came on September 26, 1970, when Schairer died suddenly while splashing about in the waters of the Chesapeake Bay near the summer home of his brother-in-law at Point-no-Point, Maryland. All his furnaces were loaded with runs, a manuscript on a quaternary system was in preparation on his desk, and Fellows were awaiting his help on their projects. A large number of his friends came personally to pay tribute to the man for his integrity, extensive knowledge, contagious enthusiasm, and for the great pleasure he gave to all. Most fittingly, his casket was covered with orchids, Cattleya chevy chase. After services at the Shrine of the Most Blessed Sacrament at Chevy Chase Circle he was laid to rest in section 17, lot 4, in Washington 's Rock Creek Cemetery. Twenty-five years have slipped by since Schairer's death; yet the personal memories are still vivid and the Schairer stories are frequently recalled by the Geophysical Laboratory staff. Schairer's phase diagrams remain the firm foundation on which igneous rocks are discussed today. IT IS A PLEASURE to acknowledge the kindness of Frank's six sisters in preparing their recollections in 1971 of his early days at home and school. Professor Brian J. Skinner arranged to have copies of files sent from the undergraduate school, graduate school, and alumni office of Yale University. James H. Shipler provided confirmation of Schairer's employment at the Eastman Kodak Company and some background on his synthesis of organic chemicals. Free access to the files of the Geophysical Laboratory was made available through

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Biographical Memoirs the courtesy of its director, Charles T. Prewitt. The officers of the various societies with which Schairer was associated are thanked for providing confirmation of his election, offices, and awards. The manuscript was reviewed at various stages by Gordon Davis, F. R. Boyd, F. Chayes, B. Mysen, D. K. Bailey, M. L. Keith, S. A. Morse, and E. F. Osborn. The special help of Mrs. Ruth Schairer in providing the more personal details of their family life is greatly appreciated. No one would agree more than Frank on how an understanding and loving wife can provide the necessary environment for a happy and successful life.

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Biographical Memoirs REFERENCES Adams, L. H. (1946). Annual Report of the Director of the Geophysical Laboratory. Carnegie Institution of Washington Year Book 45:23-35. Allen, E. T., W. P. White, F. E. Wright, and E. S. Larsen (1909). Diopside and its relations to calcium and magnesium metasilicates Amer. J. Sci. 27:1-47. Anonymous (1942). Biography: J. F. Schairer. Bull. Amer. Ceram. Soc. 21(5):68-69. Atlas, L. (1952). The polymorphism of MgSiO3 and solid-state equilibria in the system MgSiO3-CaMgSi2O6. J. Geol. 60:125-47. Bowen, N. L. (1913). The melting phenomena of the plagioclase feldspars. Amer. J. Sci. 35:577-99. Bowen, N. L. (1914). The ternary system: diopside-forsterite-silica. Amer. J. Sci. 38:207-64. Bowen, N. L. (1928). The Evolution of the Igneous Rocks. Princeton: Princeton University Press. Bowen, N. L. (1937). Recent high-temperature research on silicates and its significance in igneous geology. Amer. J. Sci. 33:1-21. Boyd, Jr., F. R. (1971). J. Frank Schairer. EOS , Trans. Amer. Geophys. Union 52(2):73-84. Brown, F. H. and A. Pabst (1971). New data on galeite and schairerite. Amer. Mineral. 56:174-78. Burchard, J. E. (1948). Rockets, Guns and Targets. Boston: Little, Brown and Co. 482 pp. Cameron, R. B. (1970). In memoriam [Dr. John Frank Schairer]. Bulletin Nat. Capital Orchid Soc. 25(1):1-2. Day, A. L., E. T. Allen, and J. P. Iddings (1905). The isomorphism and thermal properties of the feldspars. Carnegie Institution of Washington, Pub. No. 31. 95 pp. Foshag, W. F. (1931). Schairerite, a new mineral from Searles Lake, California. Amer. Mineral. 16:133-39. Hunt, C. B. (1969). Tribute to Dr. J. Frank Schairer—aboard a horse in the Henry Mountains, Utah. Unpublished Remarks. Hytönen, K. (1971). John Frank Schairer, 13.4.1904-26.9.1970. Geologi. 23(1):9 (in Finnish). Kamran, G. S. (1956). On the trail of Frank Schairer. The Capital Chemist 6(4):130-35.

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Biographical Memoirs Klein, M. (1970). In memoriam—J. Frank Schairer. Potomac Appalachian Trail Club Bull. 39(4):108-9. Kogarko, L. N. (1961). Chlorine-free schairerite from the nepheline syenites of the Lovozero massif (Kola Peninsula). Dokl. Akad. Nauk. SSSR 139:435-37. North, J. A. (1925). History of Class of 1925 of Sheffield Scientific School. Class Secretary's Bureau. New Haven: Yale University. 321 pp. Osborn, E. F. (1959). Role of oxygen pressure in the crystallization and differentiation of basaltic magma. Amer. J. Sci. 257:609-47. Roedder, E. (1951). Low-temperature liquid immiscibility in the system K2O-FeO-Al2O3-SiO2. Amer. Min. 36:282-86. Schairer, J. F. (1923). Yale Mineralogical Society. Amer. Min. 8:229. Schairer, J. F. (1967). Remarks of Dr. J. Frank Schairer on the occasion of the fortieth anniversary of the founding of the Potomac Appalachian Trail Club Unpublished transcript. 22 pp. Schreyer, W. (1971). John Frank Schairer 1904-1970. Fortschr. Miner. 48(1):9-11 (in German). Shepherd, E. S., G. A. Rankin, and F. E. Wright (1909). The binary systems of alumina with silica, lime, and magnesia. Amer. J. Sci. 28(4):293-333. Shepler, J. H. (1971). Personal communication. Sosman, R. B. (1954). Presentation of Day Medal to John F. Schairer. Proc. Geol. Soc. Amer. Annual Report for 1953 57-58. Yagi, K. (1972). Forty years of silicate system study: Life and work of J. F. Schairer J. Jap. Assoc. Mineral. Petrol. Econ. Geol. 67:143-50 (in Japanese). Yoder, Jr., H. S. (1964) Presentation of the Roebling Medal to J. Frank Schairer. Amer. Min. 49:453-56. Yoder, Jr., H. S. (1972). Memorial to John Frank Schairer. Amer. Min. 57:657-65. Yoder, H. S., Jr., and C. E. Tilley (1962). Origin of basalt magmas: An experimental study of natural and synthetic rock systems. J. Petrol. 3(3):342-532.

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Biographical Memoirs SELECTED BIBLIOGRAPHY 1929 With N. L. Bowen. The system: leucite-diopside. Am. J. Sci. 18:301-12. 1930 With N. L. Bowen and H. W. V. Willems. The ternary system: Na2SiO3-Fe2O3-SiO2. Am. J. Sci. 20:405-55. 1931 The minerals of Connecticut. Conn. Geol. and Natural History Survey 51:121. 1932 With N. L. Bowen. The system, FeO-SiO2. Am. J. Sci. 24:177-213. 1933 With N. L. Bowen and E. Posnjak. The system, CaO-FeO-SiO2. Am. J. Sci. 26:193-284. 1935 With N. L. Bowen. The system, MgO-FeO-SiO2. Am. J. Sci. 29:151-217. And N. L. Bowen. Preliminary report on equilibrium-relations between feldspathoids, alkali-feldspars, and silica. Trans. Am. Geophys. Union16th Annual Meeting 325-28. 1938 With N. L. Bowen. Crystallization equilibrium in nepheline-albite-silica mixtures with fayalite. J. Geol. 46:397-411. And N. L. Bowen. The system, leucite-diopside-silica. Am. J. Sci. 35A:289-309. 1941 With E. F. Osborn. The ternary system pseudowollastonite-akermanite-gehlenite. Am. J. Sci. 239:715-63.

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Biographical Memoirs 1942 The system CaO-FeO-Al2O3-SiO2. I: Results of quenching experiments on five joins. J. Am. Ceram. Soc. 25:241-74. 1947 And N. L. Bowen. Melting relations in the systems Na2O-Al2O3-SiO2 and K2O-Al2O3-SiO2. Am. J. Sci. 245:193-204. 1950 The alkali-feldspar join in the system NaAlSiO4-KAlSiO4-SiO2. J. Geol. 58:512-17. 1951 With R. R. Franco. Liquidus temperatures in mixtures of the feldspars of soda, potash, and lime. J. Geol. 59:259-67. 1952 And K. Yagi. The system FeO-Al2O3-SiO2. Am. J. Sci. Bowen Vol. 471-512. 1954 The system K2O-MgO-Al2O3-SiO2. I. Results of quenching experiments on four joins in the tetrahedron cordierite-forsterite-leucite-silica and on the join cordierite-mullite-potash feldspar. J. Am. Ceram. Soc. 37:501-33. 1955 And N. L. Bowen. The system K2O-Al2O3-SiO2. Am. J. Sci. 253:681-746. 1957 Melting relations of the common rock-forming oxides. J. Am. Ceram. Soc. 40:215-35. 1960 And H. S. Yoder, Jr. The nature of residual liquids from crystallization, with data on the system nepheline-diopside-silica. Am. J. Sci. Bradley Vol., 258A:273-83.

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Biographical Memoirs 1961 With W. Schreyer. Compositions and structural states of anhydrous Mg-cordierites: A re-investigation of the central part of the system MgO-Al2O3-SiO2. J. Petrol 2:324-406. 1964 With F. R. Boyd. The system MgSiO3-CaMgSi2O6. J. Petrol. 5:275-309. 1966 With D. K. Bailey. The system Na2O-Al2O3-Fe2O3-SiO2 at 1 atmosphere, and the petrogenesis of alkaline rocks. J. Petrol. 7:114-70. 1967 Phase equilibria at one atmosphere related to tholeiitic and alkali basalts. In Researches in Geochemistry, Vol. 2 edited byP. H. Abelson. New York: John Wiley & Sons, Inc. : 568-92. 1969 With H. G. Huckenholz and H. S. Yoder, Jr. Synthesis and stability of ferri-diopside. Mineral. Soc. Am. Special Paper 2 163-77. 1971 With G. M. Brown. Chemical and melting relations of some calcalkaline volcanic rocks Geol. Soc. Am. Mem. 130:139-57. A listing of the published papers up to 1962 by J. F. Schairer can be found in the American Mineralogist( 49:454-56 ) and those from 1964 to 1971 as well as amendments to the prior list, are in American Mineralogist( 57:664-65 ). Because of the large number of systems investigated but not published in full, a list of articles containing preliminary diagrams and conclusions can be found in the indices of the Annual Reports of the Director of the Geophysical Laboratory, 1905-1980 (publication number 1860:122-23). Copies can be obtained from the Geophysical Laboratory, 5251 Broad Branch Road, N. W., Washington, DC 20015-1305

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