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Near Biggs jasper a stratum of white clay is sometimes found, locally named "wascoite" for the town of Wasco, Oregon. It is probably the end form of much-weathered volcanic debris. Also often found together with Biggs jasper is a dark gray, somewhat translucent chert. It formed from colloidal silica released from the volcanic debris. Because of ...
Mount Jasper is a 12,923-foot (3,939 m) mountain summit on the boundary shared by Boulder County and Grand County, in Colorado, United States. [ 3 ] Description
This list includes significant mountain peaks located in the United States arranged alphabetically by state, district, or territory. The highest peak in each state, district or territory is noted in bold. For state high points that are not mountains, see List of U.S. states and territories by elevation.
Jasper breaks with a smooth surface and is used for ornamentation or as a gemstone. It can be highly polished and is used for items such as vases, seals, and snuff boxes. The density of jasper is typically 2.5 to 2.9 g/cm 3. [4] Jaspillite is a banded-iron-formation rock that often has distinctive bands of jasper.
Jasper National Park, in Alberta, Canada, is the largest national park within Alberta's Rocky Mountains, spanning 11,000 km 2 (4,200 sq mi). It was established as Jasper Forest Park in 1907, renamed as a national park in 1930, and declared a UNESCO world heritage site in 1984. Its location is north of Banff National Park and west of Edmonton.
Petrified Forest National Park is a national park of the United States in Navajo and Apache counties in northeastern Arizona.Named for its large deposits of petrified wood, the park covers about 346 square miles (900 square kilometers), encompassing semi-desert shrub steppe as well as highly eroded and colorful badlands.
Star class of 2025 guard Jasper Johnson — who previously played at Woodford County High School before transferring to prep powerhouse Link Academy (Missouri) — released a list of 10 schools in ...
The site is historically and archaeologically important as a source of rhyolite, and was identified in the 19th century as a Native American source of the stone.. Archaeological investigation of the area conducted in the 1980s identified not only the locations where natives quarried the stone, but has also determined that workshops (where finished materials such as weapon points were fashioned ...