Geochronology/Stratigraphy/Quiz

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Cretaceous-Paleogene clay is in the Geulhemmergroeve tunnels near Geulhem, The Netherlands. Credit: Wilson44691.

Stratigraphy is a lecture from the school of geology. This quiz is based on the content of the lecture.

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Quiz[edit | edit source]

  

1 Yes or No, The study of rock layers and the layering process is called stratigraphy.

Yes
No

2 Typically formed in glacial lakes a varve couplet consists of a coarser grained summer layer formed during open-water conditions, and a finer grained winter layer formed from deposition from suspension during a period of

ice cover.

3 True or False, A stratigraphic group from the lower Jurassic period, consisting of thin layers of blue limestone present in parts of southern England is called a lias.

TRUE
FALSE

4 Varves are a pair of sedimentary layers, a couplet, that form in an annual cycle as the result of seasonal

changes.

5 Yes or No, Each geographic location on the rocky surface of the Earth has a stratigraphic column.

Yes
No

6 Stratigraphy is the study of rock layers and the

process.

7 Yes or No, The cliffs at Weybourne resting on a chalk base are composed of layers of glacial sediments of flints and fossils.

Yes
No

8 Complete the text:

Match up the form or type of strata with the effect:
varves - A
marine sediments - B
fossilised soil structure - C
sandur deposits - D
sediment core - E
Guzhangian base GSSP - F
Sandbian graptolites - G
Telychian lower GSSP - H
Fanemmian base GSSP - I
Visean Tournaisian boundary - J

.

.

.

.

.

.

.

.

.

.

9 Characteristics of a stratigraphic column are?

a geographic location
contain an ocean basin
units within have geologic ages
rock types
subduction
thicknesses

10 True or False, Stratigraphy is concerned with the order and relative position of strata and their relationship to the geological time scale.

TRUE
FALSE


Hypotheses[edit | edit source]

Main article: Hypotheses
  1. Some strata are in chronological order, youngest at the top, and some are not.

See also[edit | edit source]

External links[edit | edit source]

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