Relative Dating Flashcards

1
Q

Use words such as “younger” or “older”. This technique is used to determine the age of a rock by comparing. A less advanced technique.

A

Relative Dating

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2
Q

“The present is key of the past”. This refers to how the earth was shaped entirely by gradual forces still in operation.

A

Principle of Uniformitarianism

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3
Q

Sedimentary rocks are originally formed in horizontal patterns.

A

Principle of Original Horizontally

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4
Q

Youngest is on top, oldest is at the bottom.

A

Principle of Superposition

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5
Q

The geologic feature which cuts another is the younger of the two features.

A

Principle of cross-cutting relationship

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6
Q

Molten material rises up, which is considered to be the youngest.
This is any material that becomes trapped within a rock or mineral durings its formation.

A

Principle of Inclusions

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7
Q

All rock layers are laterally continuous and may be broken up or displaced by later events.

A

Principle of lateral continuity

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8
Q

The remains of species through time in definite order and recognizable order.

A

Principle of Faunal Succession

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9
Q

The three different unconformities

A

Disconformity, Nonconformity, Angular-unconformity

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10
Q

A type of relative dating wherein this method, the fossils of one layer are compared with another layer with known dating.

A

Cross dating

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11
Q

A branch of geology and the earth sciences that deals with the arrangements and succession of strata.

A

Stratigraphy

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12
Q

Branch of stratigraphy that uses fossils to establish relative ages of rock and correlate successions of sedimentary rocks within dispositional basins.

A

Biostatigraphy

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13
Q

Layered rocks due to deposition.
Made up of Sandstone, Siltstone and shale.

A

Strata or stratified rocks

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