Category:Geology by period

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The article Geology by period on Wikipedia projects: (en) Period (geology) ·
(da) Periode (geologi) · (et) Ajastu (geoloogia) · (fa) دوره (زمین‌شناسی) · (fr) Période géologique · (he) יחידת זמן גאולוגית · (hu) Időszak (földtörténet) · (id) Periode (geologi) · (it) Periodo (Geocronologia) · (ja) 紀 · (ms) Zaman (geologi) · (nl) Systeem (stratigrafie) · (no) Periode (geologi) · (pl) Okres (geologia) · (ru) Геологический период · (sh) Geološki period · (sv) Period (geologi) · +/−

sorted backwards by ending .. billion years ago (1000 ma)

* = [super] eons

for an overview see Category:Geologic time scale

Subcategories

This category has the following 22 subcategories, out of 22 total.

[+] Plantae by period‎ (12 C)

!

[+] Geologic time scale‎ (1 C, 44 F)

*

[+] Phanerozoic‎ (5 C, 29 F)
[+] Precambrian‎ (7 C, 57 F)
[+] Proterozoic‎ (4 C, 36 F)
[+] Archean‎ (3 C, 6 F)
[×] Hadean‎ (2 F)

0

[+] Quaternary geology‎ (2 C, 15 F)

0 cont.

[+] Oligocene geology‎ (2 C, 4 F)
[+] Paleogene geology‎ (1 C, 4 F)
[+] Cretaceous geology‎ (15 C, 20 F)
[+] Jurassic geology‎ (7 C, 33 F)
[+] Triassic geology‎ (8 C, 15 F)
[+] Permian geology‎ (4 C, 11 F)
[+] Carboniferous‎ (10 C, 62 F)
[+] Devonian‎ (11 C, 54 F)

0 cont.

[+] Silurian‎ (6 C, 60 F)
[+] Ordovician‎ (4 C, 79 F)
[+] Cambrian‎ (9 C, 54 F)
[+] Ediacaran‎ (3 C, 8 F)

E

[+] Eocene geology‎ (4 C, 6 F)

P

[×] Paleocene geology‎ (3 F)

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Non-topical/index: