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Flashcards in Lab Deck (6)
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1
Q

Eccentric

A

Foci: x.x cm
Major axis: x.x cm
Foci/ M.A.
Final: 0.xxx

If close to 1 more eccentric
Farther less eccentric

2
Q

Igneous

A

Interlocking crystals
Glassy texture
Vesicular

3
Q

Sedimentary

A

Fossil evidence
Contains shells
Has layers (sandstone)
Clastic (made of rocks/sed)

4
Q

Metamorphic

A

Foliation (sheets)
Banding(gneiss)
Platy mica crystals (gilitary)
Garnet present (red/brown crystals)

5
Q

Locating epicenters

A

Swave-pwave = lag time
XX:XX:XX
Use difference and use wedge method
Use distance to draw circle

6
Q

Minerals

A

Streak: color or colorless
Breakage: cleavage(geo shape) or fracture
Hardness: scratch glass(hard) or don’t(soft)
Luster: metal shine(gold/silver or glitter, STREAK COLOR) or non-metallic (earthy, dull, white, glass, see through)