Granite Basalt Pumice Obsidian

Basalt pumice obsidian granite.

Granite basalt pumice obsidian.

Pumice is available in beige colourless grey light green light grey pink white yellow grey colors whereas basalt is available in black brown light to dark grey colors. Diabase diorite gabbro granite pegmatite and peridotite. Basalt the volcanic rock is compositionally different from granite more iron manganese minerals less silica. Some cool so quickly that they form an amorphous glass.

Basalt solidified lava produced by low energy volcanoes. It is produced when felsic lava extruded from a volcano cools rapidly with minimum crystal growth 1 2 history. Schist and gneiss marble slate quartzite. Granite relatively coarse crystalline rock formed from the slow cooling of molten magma deep underground.

Conglomerate limestone sandstone shale. Obsidian is simply volcanic glass. Granite basalt obsidian pumice weegy. Obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock.

Formed below the crust cooled very slowly cooled very quickly formed at high temperatures. Explore how molten rock forms igneous rocks with this student set. Extrusive igneous rocks erupt onto the surface where they cool quickly to form small crystals. Teach the rock cycle get 90 day returns.

It is produced when felsic lava extruded from a volcano cools rapidly with minimum crystal growth. Includes 15 samples study guide magnifier. Examples of intrusive igneous rocks are. The rock beneath the continents is made of granite.

Andesite basalt dacite obsidian pumice rhyolite scoria and tuff. Basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of earth. Granite is a very hard granular crystalline igneous rock which consists mainly of quartz mica and feldspar and is often used as building stone obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock. The mineral crystals in obsidian are too small to see without a microscope.

Pumice formed from silica. Hardness of pumice and basalt is 6. Appearance of pumice is vesicular and that of basalt is dull and soft. Name kinds of metamorphic rock.

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