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Exercise 10
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1) What is the Dunham texture classification term for the carbonate rock in the image?
Grainstone
Wackestone
Packstone
Correct!
Wrong!
2) What are the grains in the centre of the image?
Gastropods
Benthic foraminifera
Ammonoids
Correct!
Wrong!
3) What is the age of this deposit?
Eocene
Carboniferous
Jurassic
Correct!
Wrong!
4) What is the Dunham classification term for the carbonate rock in the image from Jurassic microbial mounds?
Wackestone
Mudstone
Boundstone
Correct!
Wrong!
5) What are the skeletal fragments?
Siliceous sponge spicules
Aragonitic corals
Calcitic stromatoporoids
Correct!
Wrong!
6) What is the Dunham texture classification term for the carbonate rock in the image from Mississippian mud mounds?
Wackestone
Boundstone
Mudstone
Correct!
Wrong!
7) What are the skeletal grains?
Fenestellid bryozoans
Corals
Benthic foraminifera
Correct!
Wrong!
8) What is the skeletal fragment in the centre right of the image?
Brachiopod
Trilobite
Bivalve
Correct!
Wrong!
9) What is the likely depositional environment of this microfacies?
Lagoon
Shoal
Reef
Correct!
Wrong!
10) What type of primary porosity in visible?
Intraparticle
Interparticle
Intracrystalline
Correct!
Wrong!
Exercise 10
This is a recap of your answers. Red = wrong anser Green= right answer
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