Term
| How do igneous rocks form? |
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Definition
| AS MAGMA OR LAVA COOLS AND CRYSTALIZES |
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Term
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Definition
| MOLTEN ROCK, OFTEN GENERATED BY MELTING ROCK IN THE EARTHS MANTLE |
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Term
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Definition
| MAGMA THAT REACHES THE EARTHS SURFACE |
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Term
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Definition
| MOLTEN ROCKS THAT HAVE SOLIDIFIED AT THE SURFACE |
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Term
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Definition
| MAGMA THAT CRYSTALLIZES DEEP BELOW THE SURFACE |
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Term
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Definition
| MAINLY SILICON AND OXYGEN |
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Term
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Definition
| COOLING OF MAGMA WHICH CAUSES IT'S IONS TO ARRANGE IN AN ORDERLY FASHION |
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Term
| WHERE IS COOLING SLOW, AND WHERE IS IT FAST? |
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Definition
SLOW IN THE MANTLE
FAST ON LAND |
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Term
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Definition
| IGNEOUS ROCKS THAT FORMED RAPIDLY AT THE SURFACE |
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Term
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Definition
| GAS BUBBLES IN FINE GRAINED ROCKS LEAVE VESICLES AS THE LAVA SOLIDIFIES |
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Term
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Definition
| MAGMA THAT SOLIDIFIES SLOWLY IN THE EARTHS MANTLE |
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Term
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Definition
| ROCK THAT WENT THROUGH TWO STAGES OF COOLING, RESULTING IN DIFFERENT SIZED GRAINS |
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Term
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Definition
| HAPPENS MAINLY DURING ERUPTIONS, WHERE ATOMS ARE FROZEN IN PLACE |
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Term
MOST ABUNDANT MINERALS IN IGNEOUS ROCKS |
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Definition
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Term
| OTHER ELEMENTS IN IGNEOUS ROCKS |
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Definition
| ALUMINUM, CALCIUM, SODIUM, POTASSIUM, MAGNESIUM, AND IRON |
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Term
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Definition
RICK IN IRON AND/OR MAGNESIUM
LOW IN SILICA |
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Term
| EXAMPLES OF DARK SILICATES |
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Definition
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Term
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Definition
CONTAIN POTASSIUM, CALCIUM AND SODIUM
RICHER IN SILICA |
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Term
| EXAMPLES OF LIGHT SILICATES |
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Definition
| MUSCOVITE MICA, FELDSPARS |
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Term
| HOW ARE IGNEOUS ROCKS CLASSIFIED? |
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Definition
| TEXTURE AND CHEMICAL COMPOSITION |
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Term
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Definition
| IGNEOUS ROCKS MADE UP MOSTLY OF LIGHT COLORED SILICATES |
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Term
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Definition
| IGNEOUS ROCKS MADE UP OF MOSTLY DARK COLORED SILICATES |
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Term
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Definition
| GRANITE, RHYOLITE, OBSIDIAN |
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Term
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Definition
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Term
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Definition
| MIXTURE OF LIGHT AND DARK COLORED MINERALS |
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Term
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Definition
COMPOSED ENTIRELY OF DARK MINERALS, RARE - MAINLY SEEN IN THE UPPER MANTLE
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Term
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Definition
| SHOWS THAT MAGMA COOLS AND CRYSTALLIZES AT A RANGE OF TEMPERATURES |
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Term
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Definition
EARLIER FORMED MINERALS (MORE DENSE)
SINK TOWARD BOTTOM OF MAGMA CHAMBER |
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Term
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Definition
| FORMATION OF ONE OR MORE SECONDARY MAGMAS FROM A PARENT MAGMA |
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