Coal fits this criteria.
Chert is a siliceous roc that is a type of microcrystallite quartz. It is often found in thick beds of deep geosynclinal deposits.
No. The plants from which coal was formed grew millions of years ago in places that were often swampy, but the Earth has changed a lot since then as the continents moved around, so the coal seams occur in all sorts of places now.
sand
Ummm... bunk beds...
During deposition, larger particles usually settle to the bottom faster than smaller particles do.
A place where fossils are found. Not the kind of thing we sleep on though.
anywhere within 10 miles of an erupted valcano
Hagerman Fossil Beds National Monument was created in 1988.
Florissant Fossil Beds National Monument was created in 1969.
Agate Fossil Beds National Monument was created in 1997.
John Day Fossil Beds National Monument was created in 1975.
The Ashfall Fossil Beds are the result of the Bruneau-Jarbidge supervolcano eruption about 12 million years ago, which actually occurred in Idaho, 1,000 miles west of the fossil beds.
Nebraska
Chert is a siliceous roc that is a type of microcrystallite quartz. It is often found in thick beds of deep geosynclinal deposits.
i lke ice cream
No. The plants from which coal was formed grew millions of years ago in places that were often swampy, but the Earth has changed a lot since then as the continents moved around, so the coal seams occur in all sorts of places now.
'You can go to Google maps and type in ash-fall fossil beds state historical park. It will come up with a map of it!'