Levels of rock quiz Flashcards

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1
Q

STRATA

A

sedimentary rock in layers

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2
Q

PRINCIPLE OF ORIGINAL HORIZONTALITY

A

SEDIMENTARY ROCS ARE FORMED IN HORIZONTAL LAYERS

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3
Q

THE PRINCIPLE OF UNIFORMITARIANISM

A

GEOLOGI PROCESSES IN ACTION ON EARTH TODAY ARE STILL THE SAME OF THOSE IN THE PAST

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4
Q

RELATIVE DATING

A

DATING OBJECTS IN THEIR RELATION TO ONE THING OR ANOTHER

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5
Q

ONE RULE OF RELATIVE DATING

A

NO SPECIFIC AGES ARE GIVEN

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6
Q

LAW OF SUPERPOSITION

A

IN LAYERED ROCKS THE TOP IAS YOUNGEST AND BOTTOM IS OLDEST

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7
Q

law of cross cutting relationship

A

ANY GEOLOGIC FEATURE THAT CUTS INTO EXISTING ROCK IS YOUNGER THAN THE ALREADY EXISTING ROCK

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8
Q

FAULT

A

A BREAK THROUGH THE STRATA

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9
Q

FOLDING

A

A BEND OR WAVE THROUGH THE STRATA

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10
Q

CONTACT METAMORPHISM

A

ROCKS THAT ARE IN CLOSE CONTACT WITH MAGMA WILL METAMORPH INTO A NEW ROCK.

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11
Q

WHAT 2 THINGS DO CONTACT ETAMORPHISISM?

A

SILLS AND DIKES

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12
Q

LAW OF EXTRUSIONS

A

LAVA FLOWS FOLLOW THE PRINCIPLE OF SUPERPOSITION

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13
Q

LAW OF INTRUSIONS

A

INTRUSIONS R YOUNGER THAN THE ROCKS THEY INCLUDE

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14
Q

WHAT R AGENTS OF INTRUSION?

A

DIKES, SILLS, AND BATHOLITHS

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15
Q

DIKE

A

YOUNGER THAN LAYER IT CUTS ACROSS (LOOKS LIKE RECTANGLEWITH HAIR)

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16
Q

BATHOLITH

A

YOUNGER THAN LAERS IT CUTS ACROSS (LOOKS LIKE HALF A HEXAGAON WITH HAIR)