chert
Chert.
Paleontologists are looking for fossils in sedimentary rock.
Limestone is a type of sedimentary rock that is used often as a building material. It is broken down by erosion from being exposed to acidic conditions.
Example sentences: Fossils are often found in sedimentary rock. It is easier to erode sedimentary rock than other forms of rock.
Sedimentary rocks are often used for decorative landscapes and as building materials. Three of these include limestone, sandstone and dolomite.
limestone
Chert.
food
Chert, a form of quartz, can form as beds or nodules in limestone or dolostone.
Paleontologists are looking for fossils in sedimentary rock.
Limestone is often sedimentary, formed of calcite in the form of shells and coral. So it's found where there used to be an ocean.
Limestone is a type of sedimentary rock that is used often as a building material. It is broken down by erosion from being exposed to acidic conditions.
Limestone and sandstone are most often seen in buildings.
Sedimentary rocks are often used as building materials in construction and engineering. The most common type of sedimentary rock is limestone.
Example sentences: Fossils are often found in sedimentary rock. It is easier to erode sedimentary rock than other forms of rock.
Dolostone is a rock. Dolomite is the mineral often composing dolostone.
Example sentences: Fossils are often found in sedimentary rock. It is easier to erode sedimentary rock than other forms of rock.