Al Rose Formation

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Al Rose Formation
Stratigraphic range: Ordovician
TypeFormation
Unit ofMazourka Group[1]
UnderliesBadger Flat Limestone[1]
Lithology
Primarysiltstone, mudstone, and shale[2]
Otherchert[2]
Location
RegionTalc City Hills, California[3]
CountryUnited States
Type section
Named forAl Rose Canyon, Inyo County, California[1]
Named byDonald Clarence Ross[1]

The Al Rose Formation is a geologic formation in California. It consists mostly of siltstone, mudstone and shale, with some chert and occasional limestone. In it are found graptolite and trilobite fossils dating back to the Ordovician period.[2]

See also

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References

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