large grains
Terrigenous
hydrates
hydrates
hydrates
hydrates
hydrates
Fine textured rocks have a fine-grained or aphanitic texture, meaning that their mineral crystals are too small to be visible to the naked eye. This texture forms when the rock cools quickly, preventing large mineral crystals from growing. Fine-grained rocks often have a smooth, uniform appearance.
Detrital sediment consists primarily of mineral grains that were eroded from rocks on land. These mineral grains are transported by wind, water, or ice and eventually settle and accumulate to form detrital sedimentary rocks, such as sandstone or shale.
Metamorphic rock with mineral grains arranaged in bands or lamellar planes are called foliated metamorphic rocks.
Classic sedimentary rocks are made up a minerals, grains, and rock fragments from older rocks. Some examples of this kind of rock are sandstone, breccia, and shale.
Metamorphic rock with mineral grains arranaged in bands or lamellar planes are called foliated metamorphic rocks.
Slate (compressed silt and mud); Sandstone (compressed sand grains); and limestone (the skeleton remains of microscopic shelled creatures).