275:) of the Tertiary. Some include both epochs of the Quaternary in the Neogene as well, while others consider the Quaternary to be the period after the Neogene. As of 2006 the disagreement remains. See
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23:, i.e. by when they were active. Volcanoes have been erupting in some form throughout Earth's history.
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in their own right, but this is no longer formal. Some split the large
Tertiary into the lower
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eons were established and the
Precambrian elevated to a "supereon" before today's
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is a broad and vague term for all time before the
Holocene epoch today.
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This category has the following 7 subcategories, out of 7 total.
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originated as the vague term for all time before the
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period. As this time became better understood, the
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267:to include the last two epochs (
417:Volcanoes by geological period
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376:Volcanoes by geological epoch
393:Volcanoes by geological era
359:Volcanoes by geological eon
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481:Volcanism by geochronology
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335:Calderas by geochronology
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434:Pre-Holocene volcanoes
451:Precambrian volcanoes
19:grouped or listed by
263:and established the
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316:Subcategories
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187:Carboniferous
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21:geochronology
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438:(10 C, 13 P)
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279:for details.
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89:Pre-Holocene
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15:
306:Phanerozoic
302:Proterozoic
290:Precambrian
232:Proterozoic
224:Precambrian
82:Pleistocene
50:Phanerozoic
470:Categories
253:Quaternary
208:Ordovician
154:Cretaceous
67:Quaternary
476:Volcanoes
261:Paleogene
175:Paleozoic
142:Paleocene
128:Oligocene
123:Paleogene
17:Volcanoes
294:Cambrian
284:Holocene
273:Pliocene
257:Cenozoic
249:Tertiary
215:Cambrian
201:Silurian
194:Devonian
168:Triassic
161:Jurassic
149:Mesozoic
109:Pliocene
101:Tertiary
75:Holocene
55:Cenozoic
298:Archean
277:Neogene
269:Miocene
265:Neogene
239:Archean
180:Permian
116:Miocene
60:Neogene
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38:Period
29:
421:(14 C)
135:Eocene
41:Epoch
455:(3 C)
397:(4 C)
380:(8 C)
363:(4 C)
339:(6 C)
300:and
282:Pre-
271:and
251:and
35:Era
32:Eon
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406:P
348:E
226:³
103:¹
91:²
69:¹
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