Stratigraphic unit
A stratigraphic unit is a volume of rock of identifiable origin and relative age range that is defined by the distinctive and dominant, easily mapped and recognizable petrographic, lithologic or paleontologic features (facies) that characterize it. Units must be mappable and distinct from one another, but the contact need not be particularly distinct. For instance, a unit may be defined by terms such as "when the sandstone component exceeds 75%".
19th century in ichnologyAbies milleriAdare BasinAlba MonsAlberta GroupAlgoa GroupAnimantarxAnimikie GroupAntarctopeltaArabian-Nubian ShieldArchaeichniumArchean felsic volcanic rocksArgentinosaurusAriel (moon)Arikaree FormationAthabasca VallesAustralopithecus sedibaBalfour FormationBarton GroupBeaufort GroupBed (geology)Belle Fourche FormationBishop's Frome Limestone
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Stratigraphic unit
A stratigraphic unit is a volume of rock of identifiable origin and relative age range that is defined by the distinctive and dominant, easily mapped and recognizable petrographic, lithologic or paleontologic features (facies) that characterize it. Units must be mappable and distinct from one another, but the contact need not be particularly distinct. For instance, a unit may be defined by terms such as "when the sandstone component exceeds 75%".
has abstract
A stratigraphic unit is a volu ...... dstone component exceeds 75%".
@en
Jednostka stratygraficzna – je ...... geologicznego geochronologia.
@pl
Les unités stratigraphiques so ...... mations post-dépositionnelles.
@fr
Una unidad estratigráfica es u ...... te de arenisca excede el 75%".
@es
Стратиграфическое подразделени ...... ентное ему геохронологическое.
@ru
في الجيولوجيا وعلم وصف طبقات ا ...... خلالها تحديدها والتعرف عليها.
@ar
地层单位在地层学中是指根据岩层的不同特征或属性将其划分成的不同单位。由于划分依据的不同,可分为岩石地层单位、年代地层单位、生物地层单位等。
@zh
層序単元(英語: stratigraphic unit)とは、共通する特徴をもつ岩石や地層のまとまりのことである。
@ja
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A stratigraphic unit is a volu ...... dstone component exceeds 75%".
@en
Jednostka stratygraficzna – je ...... ów konsumpcyjnych czy pożaru).
@pl
Les unités stratigraphiques so ...... mations post-dépositionnelles.
@fr
Una unidad estratigráfica es u ...... te de arenisca excede el 75%".
@es
Стратиграфическое подразделени ...... мые остатки организмов и т. д.
@ru
في الجيولوجيا وعلم وصف طبقات ا ...... خلالها تحديدها والتعرف عليها.
@ar
地层单位在地层学中是指根据岩层的不同特征或属性将其划分成的不同单位。由于划分依据的不同,可分为岩石地层单位、年代地层单位、生物地层单位等。
@zh
層序単元(英語: stratigraphic unit)とは、共通する特徴をもつ岩石や地層のまとまりのことである。
@ja
label
Jednostka stratygraficzna
@pl
Stratigraphic unit
@en
Unidad estratigráfica
@es
Unité stratigraphique
@fr
Стратиграфическое подразделение
@ru
Стратиграфічна одиниця
@uk
وحدة طبقية
@ar
地层单位
@zh
層序単元
@ja