The FossilCreekVolcanics is a geologic formation in Alaska. It preserves fossils dating back to the Ordovician period. Earth sciences portal Alaska portal...
Tertiary volcanics, mostly dark-gray basalt and yellow-gray tuff. Fossil Springs, the source of about 80 percent of the water in FossilCreek, issues from...
Florissant Fossil Beds National Monument. The Thirtynine Mile volcanic area is the northern reach of an extensive Eocene to Oligocene volcanic belt. The...
morphological detail can be preserved. Nodules from the Carboniferous Mazon Creekfossil beds of Illinois, US, are among the best documented examples of such...
environment. The fossils have been preserved because of the interaction of the volcanic ash from the nearby Thirtynine Mile volcanic field with diatoms...
kilometers (15,594 cu mi) Crescent volcanics, Olympic Peninsula/ southern Vancouver Island, 50–60 Ma. Siletz River Volcanics, Oregon Coast Range, a sequence...
turtle) and Chrysemys (a painted turtle) Gray Fossil Site List of fossil sites Pipe Creek Sinkhole "Ashfall Fossil Beds State Historical Park". Geographic Names...
Uriarra Volcanics The Uriarra Volcanics consists of dacite lava flows and pyroclastic deposits of tuff. A fine ashstone bed called the Tarpaulin Creek Ashstone...
The Butte CreekVolcanic Sandstone is a geologic formation in Oregon. It preserves fossils dating back to the Neogene period. Earth sciences portal Oregon...
This article contains a list of fossil-bearing stratigraphic units in the state of Alaska, U.S. Paleontology portal Alaska portal Paleontology in Alaska...
John Day Fossil Beds National Monument is a U.S. national monument in Wheeler and Grant counties in east-central Oregon. Located within the John Day River...
gold deposits occurring in the Sanpoil volcanics terminate directly below the unconformity where the volcanics contact the base of the Klondike Mountain...
A trace fossil, also known as an ichnofossil ( /ˈɪknoʊfɒsɪl/; from Greek: ἴχνος ikhnos "trace, track"), is a fossil record of biological activity by lifeforms...
known from the Parachute Creek member is the crystalline nickel porphyrin mineral abelsonite. Florissant Formation (Florissant Fossil Beds National Monument)...
came from volcanics, but also included grit from the older Precambrian rocks. The Fossey Mountains Trough contains Cambrian intermediate volcanics, and greywacke...
Newberry National Volcanic Monument was designated on November 5, 1990, to protect the area around the Newberry Volcano in the U.S. state of Oregon. The...
Bituminous shale was mined there. Because of its abundance of well-preserved fossils of the Messel Formation dating from the middle of the Eocene, it has significant...
Brook in the east, to Swan Creek in the west, consist of 200-million-year-old rocks that have yielded a wide array of fossils including more than 100,000...
114°53′55″W / 42.820073°N 114.898490°W / 42.820073; -114.898490 (Hagerman Fossil Beds National Monument)), running along the west bank of the Snake River...
earth. Alginite is a complex soil aggregate of algae based biomass fossil, clay, volcanic ash and calcium carbonate. This material contains a complete spectrum...
was the largest plotopterid on the North American continent. The first fossil remains attributed to the taxon were collected in 1983, although the genus...
not been distinguished. Dates are an average of the range of dates of volcanics. These volumes are estimated total volumes of tephra ejected. If the available...
Falls Tuff), and the Lava Creek eruption approximately 640,000 years ago (which created the Yellowstone Caldera and the Lava Creek Tuff). The caldera was...
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