| Clough Formation | |
|---|---|
| Stratigraphic range: Silurian | |
 Clough Formation on the summit of Mount Cube in Orford, NH | |
| Type | Formation |
| Location | |
| Region |  New Hampshire |
| Country |  United States |
The Clough Formation is a geologic formation in western New Hampshire. It preserves fossils dating back to the Silurian period. Prominent exposures include along the ridges of Croydon Mountain, Moose Mountain, Smarts Mountain, and Mount Cube. [1]
The Hampshire Formation is a geologic formation in West Virginia, USA. It preserves fossils dating back to the Devonian period.
The Java Formation is a geologic formation in Kentucky, New York, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia. It preserves fossils dating back to the Devonian period. The formation comprises the Pipe Creek Shale, Wiscoy Sandstone Member in New York, and Hanover Shale Member except in Tennessee.
The Littleton Formation is a geologic formation in New Hampshire. It preserves fossils dating back to the Devonian period. The formation is exposed on several of New Hampshire's most prominent mountains, including Mount Washington and the northern Presidential Range, Mount Moosilauke, and Mount Monadnock.
The Viola Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Ordovician period.
The Delaware Mountain Formation is a geologic formation in the Delaware Mountains of Texas. It preserves fossils dating back to the Permian period.
The Maroon Formation is a geologic formation in Colorado. It preserves fossils dating back to the Permian period. It is the primary formation of sandstone that lends the vivid red color to the hills around Glenwood Springs, Colorado.
The Alamosa Formation is a geologic formation in Colorado. It preserves fossils. The formation was deposited by Lake Alamosa, a paleolake that existed from the Pliocene to the middle Pleistocene.
The Harkless Formation is a geologic formation in Nevada and California. It preserves fossils dating back to the Cambrian period.
The Mule Spring Limestone is a geologic formation in the Saline Range of eastern California and Split Mountain and Goldfield Hills of Nevada.
The Campito Formation is a geologic formation in Nevada. It preserves fossils dating back to the Cambrian period.
The Deep Spring Formation is a geologic formation in Nevada. It preserves fossils dating back to the Cambrian period.
The Roberts Mountains Formation is a geologic formation in Nevada and Idaho.
The Lone Mountain Dolomite is a dolomite geologic formation in Nevada.
The Modelo Formation is a Miocene geologic formation in the Simi Hills and western Santa Susana Mountains of southern California.
The Topanga Canyon Formation is a Miocene epoch geologic formation in the Santa Monica Mountains, Simi Hills, Santa Ana Mountains and San Joaquin Hills, in Los Angeles County, Ventura County, and Orange County, southern California. It is primarily composed of hard sandstone with some inter-bedded siltstone.
The Martinez Formation is an Eocene Epoch geologic formation in California.
The Tejon Formation is a Paleogene period geologic formation in California.
The Headon Formation is a geological formation found in Hampshire, England. It preserves fossils dating back to the Bartonian stage (Eocene).
The Headon Hill Formation is a geological formation found in the Isle of Wight and south Hampshire, England. It preserves fossils dating back to the Priabonian stage.
The Solent Group is a geological group in the Hampshire Basin of southern England. It preserves fossils ranging in age from Priabonian to Rupelian. The group is subdivided into three formations, the Headon Hill Formation, the Bembridge Limestone Formation and the Bouldnor Formation.
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