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GEOL 1020 > Unit 2: Deep time & Assumptions > Flashcards

Unit 2: Deep time & Assumptions Flashcards

(6 cards)

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1
Q

Stratigraphy

A

Mapping of layers

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2
Q

Chronostratigraphy

A

Chronological ordering of layers

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3
Q

Lithostratigraphy

A

Connects ENVIRONMENTS of layers

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4
Q

Biostratigraphy

A

Connects TIME

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5
Q

Principal of Faunal Succession

A

fossils/groups of fossils exist for limited amounts of time; fossil plants/animals appear in the rock record in a definitive pattern (i.e. predictable)

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6
Q

Index fossil

A

A fossil that points to a specific period of time. Requirements:

  • must have evolved rapidly/be present in the rock record for a short time range
  • wide distribution
  • abundant in the rock record
  • easily recognizable
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GEOL 1020 (2 decks)

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