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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.


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.


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


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


6 Stratigraphy is the study of rock layers and the


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


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
Dead ice below sandur deposits3.JPG

Visean Tournaisian boundary.png

Nemagraptus gracilis.png


Guzhangian base GSSP.png

Telychian lower GSSP.png


VIMS sediment core.png

Greyish red siltstone unit.jpg

Famennian base GSSP.png


9 Characteristics of a stratigraphic column are?

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

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


Hypotheses[edit | edit source]

  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]