Group (stratigraphy)
A group is a lithostratigraphic unit, a part of the geologic record preserved in rock strata. Groups are generally divided into individual formations. Groups may sometimes be combined into supergroups. An example of a group is the Glen Canyon Group, which includes (in ascending order) the Wingate Sandstone, the Moenave Formation, the Kayenta Formation, and the Navajo Sandstone. Each of the formations can be distinguished from its neighbor by its lithology, but all were deposited in the same vast erg. Not all these formations are present in all areas where the Glen Canyon Group is present.
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AalenAberystwyth Grits GroupAdeyton GroupAdmire GroupAdventdalen GroupAgawam GroupAlbany GroupAlbemarle GroupAlbion Glacigenic GroupAldrich Mountains GroupAlgoa GroupAlston GroupAlum Bluff GroupAmbondro mahaboAncholme GroupAngoumianAnguille GroupAnkylosuchusAnticosti GroupAppin GroupAppleby GroupAran Volcanic GroupArbuckle GroupArbuthnott-Garvock GroupArbuthnott GroupArdvreck GroupArdwell GroupArgyll GroupArikaree FormationArisaig GroupAsuncion GroupAtan Group
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Aberystwyth Grits GroupAdeyton GroupAdmire GroupAdventdalen GroupAgawam GroupAlbany GroupAlbemarle GroupAlbion Glacigenic GroupAldrich Mountains GroupAlston GroupAlum Bluff GroupAncholme GroupAnguille GroupAnticosti GroupAppin GroupAppleby GroupAran Volcanic GroupArbuckle GroupArbuthnott-Garvock GroupArbuthnott GroupArdvreck GroupArdwell GroupArgyll GroupArikaree FormationArisaig GroupAsuncion GroupAtan GroupAylesbeare Mudstone GroupBacton GroupBad Cache Rapids GroupBadenoch GroupBainbridge GroupBala GroupBarnwell Group
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Group (stratigraphy)
A group is a lithostratigraphic unit, a part of the geologic record preserved in rock strata. Groups are generally divided into individual formations. Groups may sometimes be combined into supergroups. An example of a group is the Glen Canyon Group, which includes (in ascending order) the Wingate Sandstone, the Moenave Formation, the Kayenta Formation, and the Navajo Sandstone. Each of the formations can be distinguished from its neighbor by its lithology, but all were deposited in the same vast erg. Not all these formations are present in all areas where the Glen Canyon Group is present.
has abstract
A group is a lithostratigraphi ...... be defined by fossil taxonomy.
@en
Een groep is in de lithostrati ...... steenten uit het laat-Carboon.
@nl
En stratigraphie, un groupe es ...... échelle des temps géologiques.
@fr
Um grupo em estratigrafia é um ...... ntém mais nenhum desses nomes.
@pt
المجموعة في علم وصف طبقات الأر ...... تنقسم أيضًا إلى مجموعات أصغر.
@ar
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A group is a lithostratigraphi ...... Glen Canyon Group is present.
@en
Een groep is in de lithostrati ...... steenten uit het laat-Carboon.
@nl
En stratigraphie, un groupe es ...... regroupés en « supergroupes ».
@fr
Um grupo em estratigrafia é um ...... ão agrupados em "supergrupos".
@pt
المجموعة في علم وصف طبقات الأر ...... تنقسم أيضًا إلى مجموعات أصغر.
@ar
label
Groep (stratigrafie)
@nl
Group (stratigraphy)
@en
Groupe (stratigraphie)
@fr
Grupo (estratigrafia)
@pt
Gruppe (Geologie)
@de
Группа (стратиграфическое подразделение)
@ru
مجموعة (جيولوجيا)
@ar