Geology Lab Midterm
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| MINERAL DEFINITIONS | It must be solid
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| it must be naturaly occuring | it must have an orderly interal arrangement of atoms.
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| it must have a definite chistal stucture | it must not be a physically separable mixture
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| it must have physical properties | PROPERTIES OF MINERALS :LUSTER
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| Metalic | looks like metal
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| SubMetalic | looks like dull or coroded metal
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| Non-Metalic | doesn't look like metal
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| STREAK | HARDNESS
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| CLEAVAGE | Breaks along planes
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| FRACTURE | Breaks in irregular paterns
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| TEXTURES OF IGNEOUS | ___
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| Phaneric | rock is composed of grains visable to the unaided eye
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| Aphanitic | rock with very fine grained minerals or one composed of mineral grains too small to be distinguished with the unaided eye.
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| Porphyritic | rock has two distinctly different grain sizes.
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| Glassy | no grains; rock is smooth
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| Vesicular | rock contains gas holes
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| Pyroclastic ( fragmental) | rock is made of separate fragments of glass, minerals and/or rocks
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| Igneous Composition Classes | ___
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| Felsic | contains quartz and potasium
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| Intermediate | Light colored
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| Mafic | Dark or Black
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| Ultramafic | Green to Black
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| SEDIMENTARY ROCKS/MINERALS | _____
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| Textures of Sedimentary Rocks | _____
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| Clastic Texture | broken fragments of minerals, rocks, or organic remains
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| Interlocking Texture | Looks like a rock puzzle; made of interlocking grains with out cement
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| Microscopic Texture | Grains to small to be seen by the unaided eye.
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| METAMORPHIC MINERALS/ROCKS | ______
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| Textures of Metamorfic Rocks | ______
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| Foliated | Parallel orentation of sheet-like rocks
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| Non-Foliated | Random orentation of equal sized grains
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
mr.vonlipich
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