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29 Geologic time period topics matching:
Filter this Collection| x name | x image | x Began (million years ago) | x Ended (million years ago) | x article |
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| x Pleistocene |
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The Pleistocene (pronounced /ˈplaɪstəsiːn/) is the epoch from 2.588 million to 12 000 years BP covering the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek πλεῖστος (pleistos "most") and καινός (kainos ...
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| x Triassic |
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251 | 199 |
The Triassic is a geologic period and system that extends from about 251 to 199 Ma (million years ago). As the first period of the Mesozoic Era, the Triassic follows the Permian and is followed by the Jurassic. Both the start and end of the Triassic...
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| x Tertiary | 65 | 2 |
The Tertiary is a term for a geologic period 65 million to 2.588 million years ago. The Tertiary covered the time span between the superseded Secondary period and the Quaternary. The period began with the demise of the non-avian dinosaurs in the...
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| x Paleocene |
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66 | 56 |
The Paleocene or Palaeocene, the "early recent", is a geologic epoch that lasted from 65.5 ± 0.3 Ma to 55.8 ± 0.2 Ma (million years ago). It is the first epoch of the Palaeogene Period in the modern Cenozoic era. As with most other older geologic...
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| x Miocene |
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The Miocene is a geological epoch of the Neogene period and extends from about 23.03 to 5.33 million years before the present (23.03 to 5.33 Ma). The Miocene was named by Sir Charles Lyell. Its name comes from the Greek words μείων (meiōn, “less”)...
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| x Paleogene |
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The Paleogene (alternatively Palæogene, informally Lower Tertiary) is a geologic period and system that began 65.5 ± 0.3 and ended 23.03 ± 0.05 million years ago and comprises the first part of the Cenozoic era. Lasting 42 million years, the...
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| x Devonian |
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The Devonian is a geologic period and system of the Paleozoic era spanning from 416 to 359.2 million years ago (ICS, 2004). It is named after Devon, England, where rocks from this period were first studied.
During the Devonian Period, which occurred...
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| x Late Cretaceous |
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The Late Cretaceous (99.6 – 65.5 Ma) is the youngest of two epochs in which the Cretaceous period is divided in the geologic timescale. Rock strata from this epoch form the Upper Cretaceous series. The Cretaceous is named after the famous white...
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| x Ordovician |
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The Ordovician is a geologic period and system, the second of six of the Paleozoic era, and covers the time between 488.3±1.7 to 443.7±1.5 million years ago (ICS, 2004). It follows the Cambrian period and is followed by the Silurian period. The...
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| x Eocene |
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The Eocene epoch, lasting from 55.8 ± 0.2 to 33.9 ± 0.1 Ma (million years ago), is a major division of the geologic timescale and the second epoch of the Palaeogene period in the Cenozoic era. The Eocene spans the time from the end of the Paleocene...
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| x Mesozoic |
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The Mesozoic Era is one of three geologic eras of the Phanerozoic eon. The division of time into eras dates back to Giovanni Arduino, in the 18th century, although his original name for the era now called the "Mesozoic" was "Secondary" (making...
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| x Cretaceous |
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145 | 65 |
The Cretaceous (pronounced /kriːˈteɪʃəs/), Latin language for "chalky", usually abbreviated K for its German translation Kreide (chalk), is a geologic period and system from circa 145.5 ± 4 to 65.5 ± 0.3 million years ago (Ma). In the geologic...
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| x Pliocene |
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The Pliocene epoch (spelled Pleiocene in older texts) is the period in the geologic timescale that extends from 5.332 million to 2.588 million years before present.
The Pliocene is the second and youngest epoch of the Neogene period in the Cenozoic...
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| x Paleozoic |
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The Paleozoic or Palaeozoic Era (from the Greek palaios (παλαιός), "old" and zoe (ζωή), "life", meaning "ancient life") is the earliest of three geologic eras of the Phanerozoic eon. The Paleozoic spanned from roughly 542 to 251 million years ago ...
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| x Cambrian |
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542 | 488 |
The Cambrian is the first geological period of the Paleozoic era, lasting from 542 ± 0.3 million years ago to 488.3 ± 1.7 million years ago ; it is succeeded by the Ordovician. Its subdivisions, and indeed its base, are somewhat in flux. The period...
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| x Oligocene |
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The Oligocene is a geologic epoch of the Paleogene period and extends from about 33.9 million to 23 million years before the present. As with other older geologic periods, the rock beds that define the period are well identified but the exact dates...
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| x Cenozoic |
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The Cenozoic (also Cænozoic or Cainozoic) Era (pronounced /ˌsiːnɵˈzoʊɪk/, /ˌsɛnəˈzoʊɪk/) (meaning "new life" (Greek καινός (kainos), "new", and ζωή (zoe), "life"), is the most recent of the three classic geological eras and covers the period from 65...
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| x Permian |
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The Permian is a geologic period and system characterized by widespread, diverse and maturing lifeforms which comes just after the Carboniferous and that extends from 299.0 ± 0.8 to 251.0 ± 0.4 Ma (million years before the present). It is the last...
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| x Quaternary |
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The Quaternary period is the youngest of three periods of the Cenozoic era in the geologic time scale of the ICS. It follows after the Neogene period, spanning 2.588 +/- 0.005 million years ago to the present. The Quaternary includes two geologic...
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| x Silurian |
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The Silurian is a geologic period and system that extends from the end of the Ordovician period, about 443.7 ± 1.5 Ma (million years ago), to the beginning of the Devonian period, about 416.0 ± 2.8 Ma (ICS, 2004). As with other geologic periods, the...
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| x Precambrian |
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The Precambrian (Pre-Cambrian) is an informal name for the span of time before the current Phanerozoic Eon, and is divided into several eons of the geologic time scale. It spans from the formation of Earth around 4500 Ma (million years ago) to the...
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| x Holocene |
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The Holocene is a geological epoch which began approximately 11,700 years ago (10 000 C years ago). According to traditional geological thinking, the Holocene continues to the present. The Holocene is part of the Neogene and Quaternary periods. Its...
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| x Jurassic |
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200 | 145 |
The Jurassic is a geologic period and system that extends from about 199.6± 0.6 Ma (million years ago) to 145.5± 4 Ma, that is, from the end of the Triassic to the beginning of the Cretaceous. The Jurassic constitutes the middle period of the...
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| x Vaughndettha era | ||||
| x Barremian |
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The Barremian is an age in the geologic timescale (or a chronostratigraphic stage) between 130.0 ± 1.5 Ma (million years ago) and 125.0 ± 1.0 Ma). It is a subdivision of the Early Cretaceous epoch (or Lower Cretaceous series). It is preceded by the...
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| x Middle Jurassic |
The Middle Jurassic is the second epoch of the Jurassic Period. It lasted from 176-161 million years ago. In European lithostratigraphy, rocks of this Middle Jurassic age age called the Dogger. This name was in the past also used to indicate the...
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| x Late Jurassic |
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The Late Jurassic epoch of the Jurassic Period is the unit of geologic time from 161.2 ± 4.0 to 145.5 ± 4.0 million years ago, which is preserved in Upper Jurassic strata. In European lithostratigraphy, the name Malm indicates rocks of Late Jurassic...
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| x Mississippian |
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359 | 318 |
The Mississippian is a subperiod in the geologic timescale or a subsystem of the geologic record. It is the earliest/lowermost of two subperiods of the Carboniferous period lasting from roughly 359 to 318 Ma (million years ago). As with most other...
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| x Early Jurassic |
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The Early Jurassic epoch (in chronostratigraphy corresponding to the Lower Jurassic series) is the earliest of three epochs of the Jurassic period. The Early Jurassic starts immediately after the Triassic-Jurassic extinction event (199.6 Ma (million...
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