Faster access than browser!
51 relations: Age (geology), Calymmian, Cambrian, Carboniferous, Cenozoic, Cretaceous, Cryogenian, Devonian, Ectasian, Ediacaran, Eocene, Epoch (geology), Era (geology), Geologic time scale, Geologist, Igneous rock, International Commission on Stratigraphy, Jurassic, Mesoproterozoic, Mesozoic, Metamorphic rock, Miocene, Mississippian (geology), Neogene, Neoproterozoic, New Zealand, Oligocene, Ordovician, Orosirian, Paleocene, Paleogene, Paleoproterozoic, Paleozoic, Pennsylvanian (geology), Permian, Phanerozoic, Pliocene, Precambrian, Proterozoic, Quaternary, Rhyacian, Sedimentary rock, Siderian, Silurian, Statherian, Stenian, Stratigraphy, System (stratigraphy), Tertiary, Tonian, ..., Triassic. Expand index (1 more) »
Age (geology)
A geologic age is a subdivision of geologic time that divides an epoch into smaller parts.
New!!: Geological period and Age (geology) · See more »
Calymmian
The Calymmian Period (from Greek κάλυμμα (kálymma), meaning "cover") is the first geologic period in the Mesoproterozoic Era and lasted from Mya to Mya (million years ago).
New!!: Geological period and Calymmian · See more »
Cambrian
The Cambrian Period was the first geological period of the Paleozoic Era, and of the Phanerozoic Eon.
New!!: Geological period and Cambrian · See more »
Carboniferous
The Carboniferous is a geologic period and system that spans 60 million years from the end of the Devonian Period million years ago (Mya), to the beginning of the Permian Period, Mya.
New!!: Geological period and Carboniferous · See more »
Cenozoic
The Cenozoic Era meaning "new life", is the current and most recent of the three Phanerozoic geological eras, following the Mesozoic Era and, extending from 66 million years ago to the present day.
New!!: Geological period and Cenozoic · See more »
Cretaceous
The Cretaceous is a geologic period and system that spans 79 million years from the end of the Jurassic Period million years ago (mya) to the beginning of the Paleogene Period mya.
New!!: Geological period and Cretaceous · See more »
Cryogenian
The Cryogenian (from Greek κρύος (krýos), meaning "cold" and γένεσις (génesis), meaning "birth") is a geologic period that lasted from.
New!!: Geological period and Cryogenian · See more »
Devonian
The Devonian is a geologic period and system of the Paleozoic, spanning 60 million years from the end of the Silurian, million years ago (Mya), to the beginning of the Carboniferous, Mya.
New!!: Geological period and Devonian · See more »
Ectasian
The Ectasian Period (from Greek ἔκτασις (éktasis), meaning "extension") is the second geologic period in the Mesoproterozoic Era and lasted from Mya ago to Mya (million years ago).
New!!: Geological period and Ectasian · See more »
Ediacaran
The Ediacaran Period, spans 94 million years from the end of the Cryogenian Period 635 million years ago (Mya), to the beginning of the Cambrian Period 541 Mya.
New!!: Geological period and Ediacaran · See more »
Eocene
The Eocene Epoch, lasting from, is a major division of the geologic timescale and the second epoch of the Paleogene Period in the Cenozoic Era.
New!!: Geological period and Eocene · See more »
Epoch (geology)
In geochronology, an epoch is a subdivision of the geologic timescale that is longer than an age but shorter than a period.
New!!: Geological period and Epoch (geology) · See more »
Era (geology)
A geologic era is a subdivision of geologic time that divides an eon into smaller units of time.
New!!: Geological period and Era (geology) · See more »
Geologic time scale
The geologic time scale (GTS) is a system of chronological dating that relates geological strata (stratigraphy) to time.
New!!: Geological period and Geologic time scale · See more »
Geologist
A geologist is a scientist who studies the solid and liquid matter that constitutes the Earth as well as the processes that shape it.
New!!: Geological period and Geologist · See more »
Igneous rock
Igneous rock (derived from the Latin word ignis meaning fire), or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic.
New!!: Geological period and Igneous rock · See more »
International Commission on Stratigraphy
The International Commission on Stratigraphy (ICS), sometimes referred to by the unofficial name "International Stratigraphic Commission" is a daughter or major subcommittee grade scientific daughter organization that concerns itself with stratigraphy, geological, and geochronological matters on a global scale.
New!!: Geological period and International Commission on Stratigraphy · See more »
Jurassic
The Jurassic (from Jura Mountains) was a geologic period and system that spanned 56 million years from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period Mya.
New!!: Geological period and Jurassic · See more »
Mesoproterozoic
The Mesoproterozoic Era is a geologic era that occurred from.
New!!: Geological period and Mesoproterozoic · See more »
Mesozoic
The Mesozoic Era is an interval of geological time from about.
New!!: Geological period and Mesozoic · See more »
Metamorphic rock
Metamorphic rocks arise from the transformation of existing rock types, in a process called metamorphism, which means "change in form".
New!!: Geological period and Metamorphic rock · See more »
Miocene
The Miocene is the first geological epoch of the Neogene Period and extends from about (Ma).
New!!: Geological period and Miocene · See more »
Mississippian (geology)
The Mississippian (also known as Lower Carboniferous or Early Carboniferous) is a subperiod in the geologic timescale or a subsystem of the geologic record.
New!!: Geological period and Mississippian (geology) · See more »
Neogene
The Neogene (informally Upper Tertiary or Late Tertiary) is a geologic period and system that spans 20.45 million years from the end of the Paleogene Period million years ago (Mya) to the beginning of the present Quaternary Period Mya.
New!!: Geological period and Neogene · See more »
Neoproterozoic
The Neoproterozoic Era is the unit of geologic time from.
New!!: Geological period and Neoproterozoic · See more »
New Zealand
New Zealand (Aotearoa) is a sovereign island country in the southwestern Pacific Ocean.
New!!: Geological period and New Zealand · See more »
Oligocene
The Oligocene is a geologic epoch of the Paleogene Period and extends from about 33.9 million to 23 million years before the present (to). As with other older geologic periods, the rock beds that define the epoch are well identified but the exact dates of the start and end of the epoch are slightly uncertain.
New!!: Geological period and Oligocene · See more »
Ordovician
The Ordovician is a geologic period and system, the second of six periods of the Paleozoic Era.
New!!: Geological period and Ordovician · See more »
Orosirian
The Vredefort crater is believed to have formed in this period. The Orosirian Period (translit, meaning "mountain range") is the third geologic period in the Paleoproterozoic Era and lasted from Mya to Mya (million years ago).
New!!: Geological period and Orosirian · See more »
Paleocene
The Paleocene or Palaeocene, the "old recent", is a geological epoch that lasted from about.
New!!: Geological period and Paleocene · See more »
Paleogene
The Paleogene (also spelled Palaeogene or Palæogene; informally Lower Tertiary or Early Tertiary) is a geologic period and system that spans 43 million years from the end of the Cretaceous Period million years ago (Mya) to the beginning of the Neogene Period Mya.
New!!: Geological period and Paleogene · See more »
Paleoproterozoic
Paleoproterozoic Era, spanning the time period from (2.5–1.6 Ga), is the first of the three sub-divisions (eras) of the Proterozoic Eon.
New!!: Geological period and Paleoproterozoic · See more »
Paleozoic
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.
New!!: Geological period and Paleozoic · See more »
Pennsylvanian (geology)
The Pennsylvanian (also known as Upper Carboniferous or Late Carboniferous) is, in the ICS geologic timescale, the younger of two subperiods (or upper of two subsystems) of the Carboniferous Period.
New!!: Geological period and Pennsylvanian (geology) · See more »
Permian
The Permian is a geologic period and system which spans 47 million years from the end of the Carboniferous Period million years ago (Mya), to the beginning of the Triassic period 251.902 Mya.
New!!: Geological period and Permian · See more »
Phanerozoic
The Phanerozoic Eon is the current geologic eon in the geologic time scale, and the one during which abundant animal and plant life has existed.
New!!: Geological period and Phanerozoic · See more »
Pliocene
The Pliocene (also Pleiocene) Epoch is the epoch in the geologic timescale that extends from 5.333 million to 2.58 million years BP.
New!!: Geological period and Pliocene · See more »
Precambrian
The Precambrian (or Pre-Cambrian, sometimes abbreviated pЄ, or Cryptozoic) is the earliest part of Earth's history, set before the current Phanerozoic Eon.
New!!: Geological period and Precambrian · See more »
Proterozoic
The Proterozoic is a geological eon representing the time just before the proliferation of complex life on Earth.
New!!: Geological period and Proterozoic · See more »
Quaternary
Quaternary is the current and most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy (ICS).
New!!: Geological period and Quaternary · See more »
Rhyacian
The Rhyacian Period (translit, meaning "stream of lava") is the second geologic period in the Paleoproterozoic Era and lasted from Mya to Mya (million years ago).
New!!: Geological period and Rhyacian · See more »
Sedimentary rock
Sedimentary rocks are types of rock that are formed by the deposition and subsequent cementation of that material at the Earth's surface and within bodies of water.
New!!: Geological period and Sedimentary rock · See more »
Siderian
The Siderian Period (translit, meaning "iron") is the first geologic period in the Paleoproterozoic Era and lasted from Ma to Ma (million years ago).
New!!: Geological period and Siderian · See more »
Silurian
The Silurian is a geologic period and system spanning 24.6 million years from the end of the Ordovician Period, at million years ago (Mya), to the beginning of the Devonian Period, Mya.
New!!: Geological period and Silurian · See more »
Statherian
The Statherian Period (σταθερός (statherós), meaning "stable, firm") is the final geologic period in the Paleoproterozoic Era and lasted from Mya to Mya (million years ago).
New!!: Geological period and Statherian · See more »
Stenian
The Stenian Period (from Greek στενός (stenós), meaning "narrow") is the final geologic period in the Mesoproterozoic Era and lasted from Mya to Mya (million years ago).
New!!: Geological period and Stenian · See more »
Stratigraphy
Stratigraphy is a branch of geology concerned with the study of rock layers (strata) and layering (stratification).
New!!: Geological period and Stratigraphy · See more »
System (stratigraphy)
A system in stratigraphy is a unit of rock layers that were laid down together within the same corresponding geological period.
New!!: Geological period and System (stratigraphy) · See more »
Tertiary
Tertiary is the former term for the geologic period from 65 million to 2.58 million years ago, a timespan that occurs between the superseded Secondary period and the Quaternary.
New!!: Geological period and Tertiary · See more »
Tonian
The Tonian (from Greek τόνος (tónos), meaning "stretch") is the first geologic period of the Neoproterozoic Era.
New!!: Geological period and Tonian · See more »
Triassic
The Triassic is a geologic period and system which spans 50.6 million years from the end of the Permian Period 251.9 million years ago (Mya), to the beginning of the Jurassic Period Mya.
New!!: Geological period and Triassic · See more »
Redirects here:
Geologic period, Geologic periods, Geological periods, Period (geologic time), Period (geology).
References
[1] https://en.wikipedia.org/wiki/Geological_period
