TABLE 1 Stratigraphic intervals used in analyses of tempo and representative acritarch assemblages

Interval (age in millions of years [Ma])

Formation

 

Location

Reference

Late Paleoproterozoic- and Mesoproterozoic

M1

(1700–1400 Ma)

 

 

Satka [1]

 

Urals, Russia

Jank. 82

Bakal [2]

 

Urals, Russia

Jank. 82

Ust'-Il'ya [3]

 

Siberia

Veis. 92

McMinn [4]

 

Australia

Peat. 78

M2

(1400–1200 Ma)

 

 

Omachtin [5]

 

Siberia

Vesi. 89

Zigazino-Kamarovsk [6]

 

Urals, Russia

Jank. 82

M3

(1200–1000 Ma)

 

 

Baicaoping [7]

 

China

Yan. 92

Neoproterozoic

 

 

 

N1

(1000–900 Ma)

 

 

Lakhanda [8]

 

Siberia

Germ. 90

N2

(900–800 Ma)

 

 

Miroyedikha [9]

 

Siberia

Germ. 90

Kwagunt [10]

 

Arizona, USA

Vida. 85

Dakkovarre [11]

 

Norway

Vida. 81

N3

(800–750 Ma)

 

 

Andersby [12]

 

Norway

Vida. 81

Middle Visingsö [13]

 

Sweden

Vida. 76

N4

(750–700 Ma)

 

 

Svanbergfjellet [14]

 

Svalbard

Butt. 94

N5

(700–650 Ma)

 

 

Upper Visingsö [15]

 

Sweden

Vida. 76

N6

(650–600 Ma)*

 

 

N7

(600–575 Ma; Volhyn)

 

 

Pertatataka [16]

 

Australia

Zang. 92

Doushantuo [17]

 

China

Yin. 87

Kursovsky [18]

 

Siberia

Mocz. 93

N8

(575–560 Ma; Redkino)

 

 

Redkino [19]

 

Baltic

Volk. 90

Mogilev/Nagoryany [20]

 

Ukraine

Asee. 83

N9

(560–545 Ma; Kotlin)

 

 

Kotlin [21]

 

Baltic

Volk. 90

Early Cambrian

 

 

 

C1

(545–538 Ma; Rovno)

 

 

Rovno [22]

 

Baltic

Volk. 83

C2

(538–531 Ma; Lontova)

 

 

Lontova [23]

 

Baltic

Volk. 83

Mazowsze [24]

 

Poland

Mocz. 91

C3

(531–528 Ma; Talsy)

 

 

Talsy [25]

 

Baltic

Volk. 83

Lower Radzyn*/Kaplanosy [26]

 

Poland

Mocz. 91



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