The Gable Creek Formation is a

sedimentary rock Sedimentary rocks are types of rock (geology), rock formed by the cementation (geology), cementation of sediments—i.e. particles made of minerals (geological detritus) or organic matter (biological detritus)—that have been accumulated or de ...

formation from the

Albian The Albian is both an age (geology), age of the geologic timescale and a stage (stratigraphy), stage in the stratigraphic column. It is the youngest or uppermost subdivision of the Early Cretaceous, Early/Lower Cretaceous epoch (geology), Epoch/s ...

age of the

Early Cretaceous The Early Cretaceous (geochronology, geochronological name) or the Lower Cretaceous (chronostratigraphy, chronostratigraphic name) is the earlier or lower of the two major divisions of the Cretaceous. It is usually considered to stretch from 143.1 ...

. The formation is in

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Oregon Oregon ( , ) is a U.S. state, state in the Pacific Northwest region of the United States. It is a part of the Western U.S., with the Columbia River delineating much of Oregon's northern boundary with Washington (state), Washington, while t ...

of the

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and is intertongued with the similarly aged

Hudspeth Formation The Hudspeth Formation is a Cretaceous sedimentary Geological formation, rock formation, found in Oregon of the United States of America. The formation dates to the Albian age of the Early Cretaceous period. During the Albian much of this formatio ...

. The formation mostly consists of fluvial-deltaic

sandstones Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains, cemented together by another mineral. Sandstones comprise about 20–25% of all sedimentary rocks. Most sandstone is composed o ...

and conglomerates. Marine fossils can be found throughout the formation including various species of ammonites, clams and other mollusks. The Gable Creek Formation gets its name from Gable Creek, a creek that runs through much of the formation.

Fossil content

Other invertebrates

References

External links

* {{Cite web , title=Geolex — Hudspeth publications , url=https://ngmdb.usgs.gov/Geolex/UnitRefs/HudspethRefs_5594.html , access-date=2020-07-04 , website=ngmdb.usgs.gov , publisher=

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, location=United States
Sedimentary rocks of Oregon - Hudspeth & Gable Creek Formations
Geologic formations of Oregon Cretaceous geology of Oregon Lower Cretaceous Series of North America Albian Stage Conglomerate formations of the United States Sandstone formations of the United States Paleontology in Oregon

Fossil content

Other invertebrates

See also

References

External links