| Silverdale Formation Stratigraphic range: Paleogene | |
|---|---|
| Type | Formation |
| Location | |
| Region |  North Carolina |
| Country |  United States |
The Silverdale Formation is a Miocene formation of biomicrudite (fine fragments of mollusk shells) in North Carolina, United States. [1]
Silverdale is a census-designated place (CDP) in Kitsap County, Washington, in the United States. The population was 19,204 at the 2010 census. Despite many attempts at incorporation, Silverdale remains an unincorporated community.
Silverdale may refer to:
The North Carolina Air National Guard is the aerial militia of the State of North Carolina, United States of America. It is, along with the North Carolina Army National Guard, an element of the North Carolina National Guard.
The Fox Hills Formation is a Cretaceous geologic formation in the northwestern Great Plains of North America. It is present from Alberta on the north to Colorado in the south.
The Black Creek Group is a geologic group in North Carolina. It preserves fossils dating back to the Late Cretaceous period.
The Albemarle Group is a geologic group in North Carolina composed of metamorphosed mafic and felsic volcanic rock, sandstone, siltstone, shale, and mudstone. It is considered part of the Carolina Slate Belt and covers several counties in central North Carolina. It preserves fossils dating back to the Ediacaran period in the Floyd Church member.
The Chesapeake Group is a geologic group in Maryland, Virginia, Delaware, and North Carolina. It preserves mainly marine fossils dating back to the Miocene and Pliocene epochs of the Neogene period. This group contains one of the best studied fossil record of Neogene oceans in the world. Professional Paleontologists and amateur fossil hunters alike collect from this group intensely. The Calvert Cliffs stretch the length of Calvert County, Maryland and provide the best continuous stretch of the Calvert, Choptank, and St. Marys Formations. Ward (1985) recommended including the Old Church Formation in this group.
The Cumnock Formation is a Late Triassic-age geologic formation in North Carolina. It is found in the of the Sanford sub-basin of the Deep River Basin, the southernmost of the large Mesozoic basins forming the Newark Supergroup. It is the middle unit of the Chatham Group, overlying the Pekin Formation and underlying the Sanford Formation. Both of these encompassing formations are primarily red sandstone. The Cumnock Formation, on the other hand, represents a sequence of darker lacustrine (lake) or paludal (swampy/marshy) sediments deposited in a tropical climate. These primarily include shales and coal, with some thin layers of coarser sediment such as siltstone and sandstone.
The Cid Formation is a metavolcanic rock and mudstone geologic formation in North Carolina. It consists of a lower unnamed mudstone member with intermittent volcanic flows and the Flat Swamp Member, which is characterized by pyroclastic flows. It preserves fossils dating back to the Ediacaran period.
The Bear Bluff Formation is a geologic formation in North Carolina. It preserves fossils dating back to the Neogene period.
The Chowan River Formation is a geologic formation in North Carolina. It preserves fossils dating back to the Neogene period.
The Pamlico Formation is a geologic formation in North Carolina. It preserves fossils dating back to the Neogene period. The name was suggested by L.W. Stephenson in the North Carolina Geological and Economic Survey journal in 1912
The Pollocksville Formation is a geologic formation in North Carolina. It preserves fossils dating back to the Neogene period.
The Pungo River Formation is a geologic formation in North Carolina. It preserves fossils dating back to the Neogene period.
The Trent Formation is a geologic formation in North Carolina. It preserves fossils dating back to the Neogene period.
The Belgrade Formation is a limestone geologic formation in North Carolina characterized by limestone coquina mixed with sand, and thinly laminated clays. It preserves fossils dating back to the Paleogene period.
The New Bern Formation is a geologic formation in North Carolina. It preserves fossils dating back to the Paleogene period.
The River Bend Formation is a limestone geologic formation in North Carolina. It preserves fossils dating back to the Paleogene period.
The Waccamaw Formation is a geologic formation in southeastern North Carolina and eastern South Carolina. It preserves fossils from the early Pleistocene epoch. The Waccamaw Formation contains two informal members: "upper" and "lower". The upper Waccamaw is ~2.1-1.8 million years old. The lower Waccamaw Formation is ~2.4-2.2 million years old.
The Fort Riley Limestone is a Permian stratigraphic unit and historic building stone, sold commercially as fine-grained Silverdale, at one time being quarried at Silverdale, Kansas. The limestone outcrops in east-central Kansas, northeast-central Oklahoma, and southeastern Nebraska in the Midwestern United States. Its outcrop caps the bluffs overlooking the original buildings of Fort Riley.
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