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Exercise 1
Exercise 1
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1) What is the Dunham texture classification for the carbonate rock in the image?
Wackestone
Packstone
Grainstone
Correct!
Wrong!
2) What are the grains in the image?
Ooids and oncoids
Ooids and aggregate grains
Peloids and ooids
Correct!
Wrong!
3) What is the Dunham texture classification for the carbonate rock in the image?
Rudstone
Wackestone/Packstone
Grainstone
Correct!
Wrong!
4) What are the rounded skeletal grains?
Ooids
Foraminera
Charophytes gyrogonites
Correct!
Wrong!
5) What is the Dunham classification term for the carbonate rock in the image?
Wackestone
Floatstone
Grainstone
Correct!
Wrong!
6) what is the skeletal grain in the centre of the image?
foraminifer
echinoid spine
crinoid ossicles
Correct!
Wrong!
7) What is the Dunham classification term for the carbonate rock in the image?
Wackestone
Packstone
Mudstone
Correct!
Wrong!
8) What are the skeletal grains?
Benthic foraminifera
Radiolaria
Planktonic foraminifera
Correct!
Wrong!
9) What is the likely depositional environment of this microfacies?
Basin
Lagoon
Reef
Correct!
Wrong!
10) What is the age of this deposit?
Late Miocene
Late Cretaceous
Early Eocene
Correct!
Wrong!
Exercise 1
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