Category:Geology by era
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The article Geology by era on Wikipedia projects: (en) Era (geology) ·
(ar) حقبة جيولوجية · (bg) Ера (геология) · (ca) Era geològica · (da) Æra (geologi) · (es) Era geológica · (et) Aegkond · (fa) دوران (زمینشناسی) · (fr) Ère · (he) יחידת זמן גאולוגית · (hu) Idő (földtörténet) · (id) Era (geologi) · (nl) Era (tijdperk) · (no) Æra (geologi) · (pt) Era geológica · (ru) Геологическая эра · (sh) Era (geologija) · (sr) Геолошке ере · (vi) Đại (địa chất) ·
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This meta category should only contain other categories. Files should either be in the relevant subcategory or in the parent category. |
The article Geology by era on Wikipedia projects: (en) Era (geology) · (ar) حقبة جيولوجية · (bg) Ера (геология) · (ca) Era geològica · (da) Æra (geologi) · (es) Era geológica · (et) Aegkond · (fa) دوران (زمینشناسی) · (fr) Ère · (he) יחידת זמן גאולוגית · (hu) Idő (földtörténet) · (id) Era (geologi) · (nl) Era (tijdperk) · (no) Æra (geologi) · (pt) Era geológica · (ru) Геологическая эра · (sh) Era (geologija) · (sr) Геолошке ере · (vi) Đại (địa chất) ·
study of rock layers and the layering process | ||||
 Wikipedia | ||||
| Subclass of | geology | |||
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| Part of | geology | |||
| Has part | ||||
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- 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 13 subcategories, out of 13 total.
