| 释义 |
Examples:Permian (geological period 292-250m years ago)—Triassic (geological period 250-205m years ago)—United States geological survey (USGS)—Ediacaran (c. 635-542 million years ago), late phase of pre-Cambrian geological era—Cambrian (geological period 545-495m years ago)—Jurassic (geological period 205-140m years ago)—Mt Longmen, the northwest boundary of the Sichuan basin, an active geological fault line—holocene system (geological strata laid down during the last 12000 years)—Archaean (geological eon before 2500m years ago)—Oligocene (geological epoch from 34m-24m years ago)—tertiary (geological era since the extinction of the dinosaurs at the Cretaceous-Tertiary boundary 65 million years ago)—quaternary (geological period covering the recent ice ages over the last 180,000 years)—angle of dip (inclination of a geological plane down from horizontal)—pre-Cambrian, geological period before c. 540m years ago—Palaeocene (geological epoch from 65m-55m years ago)—lower Cambrian series (geological strata from approx 530 million years ago)—Miocene (geological epoch from 24m-5m years ago)—the theory that geological change is caused by catastrophic events such as the Biblical flood—Carboniferous (geological period 354-292m years ago)—Cretaceous (geological period 140-65m years ago)—Devonian (geological period 417-354m years ago)—Holocene (geological period covering approx 12000 years since the last ice age)—lower Cambrian (geological period approx 530 million years ago)—geological eon before the appearance of abundant fossils—Ediacaran period (c. 635-542 million years ago), late phase of pre-Cambrian geological era—Archaeozoic (geological era before 2500m years ago)—Sinian (c. 800-542 million years ago), late phase of pre-Cambrian geological era—Cenozoic (geological era covering the last 65m years)—catastrophism (theory that geological changes are brought about by catastrophes such as the biblical flood)—Pleistocene (geological epoch from 2m years ago, covering the most recent ice ages)—Cambrian geological period (545-495m years ago)— |