Biology, 22.10.2019 12:00 hardwick744

What is the name of a hard and strong rock with thin, flattened crystals packed tightly together? is this rock metamorphic, sedimentary, or igneous? does it have fossils? is it intrusive/extrusive? foliation?

what is the name of a brittle rock that contains fine grains and layers with fossil remains? is this rock metamorphic, sedimentary, or igneous? does it have fossils? is it intrusive/extrusive? foliation?

what is the name of a hard black rock with small crystals? is this rock metamorphic, sedimentary, or igneous? does it have fossils? is it intrusive/extrusive? foliation?

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What is the name of a hard and strong rock with thin, flattened crystals packed tightly together? i...