sandstone, mudstone, shale, grey wacke. All classified by their grainsize. They're used to determine paleo-turbidity sequences. Refer to hjulstrom diagram for more detailed classification chart
i am not sure......
Granite
Chalk
Limestone or Sandstone are two examples of sedimentary rocks. Two examples of sedimentary rocks are slate (fine silt) and chalk (shell remains of sea creatures).
sedimentary rocks~ types of rock that are formed by the deposition of material at the Earth's surface and within bodies of water and some examples are limestone, conglomerate, sandstone, and shale
metamorphic rocks of course, a few examples are hornfels or a soap stone.
Magma
acid
i am not sure......
Coal and amber.
valuable soft lousy alone sweet
some examples of igneous rocks are granite,basalt,and rhyolite and driolite
hiya
Because sedimentary rocks are soft rocks
Hard matrix is supposed to be used for digging hard rocks and soft matrix for soft rocks. It's quite confusing to me
Please describe what you mean by soft and rephrase the question.
Rock gypsum and rock salt are two examples of sedimentary evaporite rocks.
butterfly flying flying up into the sky landing on flying up into a rocks
Limestone or Sandstone are two examples of sedimentary rocks. Two examples of sedimentary rocks are slate (fine silt) and chalk (shell remains of sea creatures).
Igneous Rocks