igneous rock
Igneous Rocks
Igneous rock is composed of crystals or is glassy It is formed from magma—molten or partially molten rock in the interior of Earth where temperatures are very
Igneous rock or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic Igneous rocks are formed through the Igneous rocks form when magma, or melted rock from inside the Earth, cools and hardens They can form above ground when magma erupts from a volcano as lava
เอ็นซีที 127 igneous rock A more accurate and succinct petrographic definition of 'basalt' is as follows: Basalt is a fine- grained igneous rock con- sisting of the Some igneous rocks have a mix of coarse-grained minerals surrounded by a matrix of fine-grained material in a texture called porphyritic The