99 results for sedimentary

Previously we talked about the study of the first 2 types of rocks-sedimentary and igneous. You can read them here- Sedimentary Rocks or Igneous Rocks. The third type of rock is Metamorphic Rock. Met ...

Chapenite is a nodular fine grained brecciated jasper from Ft. Irwin, in the Mojave Desert, California, south of Barstow.  Brecciated Jasper means the jasper has broken or fragmented patterns ...

Though Alabama isn’t really known for its rocks, it actually is rich in pretty rocks!  About 190 different minerals have been found in Alabama. The southern half of Alabama is a coastal ...

Not all of New York is equally endowed with gem grade rocks and minerals. But mining occurs in every county in New York State except Bronx, Kings, New York, Queens and Richmond. More than half of N ...

Mookaite Jasper is a warm, earthy flood of reds, yellows and browns. It is formed as a sedimentary stone in erosion zones and as a filler in cracks. Mookaite Jasper is named for where is wa ...

Collectible rocks and minerals are found in every province and territory in Canada. Canada is the second largest country in the world. It is the world leader in the production of potash and ranks am ...

Texas produces a large variety of gemstones, rocks, minerals and fossils. Sandy sediments typical of the coastal plain make up southeastern Texas. Behind this lies the Llano uplift of central Texas ...

Septarian Nodules are actually sedimentary rock concretions. They actually look like giant mud balls, but when you break them open they have very pretty pockets of yellow. Some even have open pock ...

Tennessee has more mineral resources than any other state east of the Mississippi, except North Carolina. Limestone and dolomite, bituminous coal, lead, zinc, ball clay, sand and gravel, phosphate, ...

Serpentine is a metamorphic rock. It was formed when water from magmas metamorphosed previous igneous or sedimentary rocks. Serpentine is a magnesium silicate mineral. Serpentine has a hardness o ...

Selenite is a form of Gypsum, which is one of the more common sedimentary minerals. It is a major rock forming mineral that produces massive beds, usually from precipitation out of highly sal ...

Mexico is another country rich in rock and mineral resources. Unfortunately a lot of those resources remain unexplored. There is a great Trans-Mexican Volcanic Belt, which crosses the entire count ...