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48 Cards in this Set
- Front
- Back
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Rocks that were once molten are...
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igneous rocks
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Rocks made from little pieces of other rocks are....
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sedimentary rocks
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Rocks that have been changed by pressure, heat over lots of time are....
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metamorphic rocks
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Shale turning into slate is an example of ....
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metamorphism
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Quartz sand turning into sandstone is igneous turning into ..... rock
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sedimentary
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What kinds of cleavage are present here?
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platy
conchoidal rhomboidal cuboidal |
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What's the hardness of this mineral
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Talc, 1
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The rock on the right didn't fizz. Which rock might it be: quartzite, marble, limestone
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quartzite
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Which coal is which?
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The one with little streaking on paper is anthracite. The other one is bituminous.
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What kind of cleavage on the quartz?
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conchoidal
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Which one is metamorphic?
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Gneiss is metamorphic and on the right.
Granite is the parent & is igneous, & on the left. |
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Which mineral writes easily on paper and is low density?
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graphite
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The penny scratches this rhomboidal mineral. What is the hardness?
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Calcite, about 3
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The nail was scratched. The hardness is about....
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Quartz, 7
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What type of rocks?
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igneous
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These minerals are magnetic. They are probably....
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lodestone & specular hematite
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What type of rocks?
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metamorphic
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Which mica is which?
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Biotite = black
Muscovite = white |
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Which of our igneous rocks float on water?
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pumice
glass scoria |
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What type of rocks?
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sedimentary
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How can you tell it's not gold?
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Black streak
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Our Appalachian Mountains are very old and became folded when Africa and North America collided. The rocks we have are mostly of what type?
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metamorphic
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A conglomerate is a ___ rock
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sedimentary
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Sandstone and siltstone are ____ rocks made from ___ and ____, respectively
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sedimentary
sand silt |
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Limestone and halite are chemical sedimentary rocks made by ___ of ____.
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evaporation
water |
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Rock that was once lava or magma is ____ rock.
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igneous
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Bituminous coal that undergoes metamorphism turns into ___ ___.
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anthracite coal
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The change from one rock type to another is part of the ___ cycle
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rock
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The 1-10 scale that indicates hardness of a mineral or rock is the ___ hardness scale.
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Moh's
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On Moh's hardness scale, some landmark values for 1-T, 2-G, 3-C, 4-F, 5-A, 6-O, 7-Q, 8-T, 9-C, 10-D are #1,3, 7, & 10. They are...
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1-Talc
3-Calcite 7-Quartz 10-Diamond |
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Mica, the mineral, metamorphoses to form the rock....
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mica schist
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Quartz, the mineral, metamorphoses to form the rock....
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quartzite
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Volcanic glass is black and has very jagged, sharp edges. It is called....
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obsidian
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A typical rock that is organic is....
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coal
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Two minerals we studied that have luster are...
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galena
iron pyrite (fool's gold) |
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Most minerals contain ....
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silicates (Si & O)
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What are two reasons that petroleum oil, mined from deep in the earth, is not a mineral?
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It's a liquid.
It's organic. No crystalline structure. |
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Why can't man-made diamonds be minerals?
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Nothing man-made can be a mineral. To be a mineral, you must be naturally occurring.
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Rocks that glow in the dark all by themselves are said to be ....
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phosphorescent
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Rocks that glow with the aid of a black light are said to be...
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fluorescent
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The mineral that is made of salt is...
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halite
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Two minerals that have cuboidal cleavage are....
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galena
halite |
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Four rocks or minerals that react with hydrochloric acid (because they contain calcium carbonate) are....
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limestone
calcite coquina conglomerate limonite (marble) |
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The gas bubbles that form when hydrochloric acid reacts with calcium carbonate-containing rocks is....
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carbon dioxide
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Minerals are made of elements or ____, while rocks are typically made of more than one ____.
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compounds
mineral |
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Sedimentary rocks that are made of pieces of other rock pieces are called....
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clastic sedimentary rocks
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When minerals break into smaller pieces, they break into the crystal forms as the larger specimen. This pattern of orderly breakage is called....
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cleavage
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The process by which clastic sedimentary rocks form is by ___ & ____.
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compaction
cementation |
