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Exercise 5
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1) What is the Dunham texture classification terms for the carbonate rock in the image?
Floatstone
Grainstone
Wackestone
Correct!
Wrong!
2) What are the grains?
Pisoids and sponges
Oncoid and ooids
Pisoids and intraclasts
Correct!
Wrong!
3) What is the micritic cement at grain contacts?
Vadose meniscus cement
Marine fibrous cement
Vadose pendant cement
Correct!
Wrong!
4) What is the environment of deposition?
Supratidal
Platform margin
Basin
Correct!
Wrong!
5) What is the Dunham texture classification term for the carbonate rock in the image?
Packstone
Grainstone
Rudstone
Correct!
Wrong!
6) What are the dominant grains?
Oncoids
Peloids
Crinoids
Correct!
Wrong!
7) What is the Dunham texture classification term for the carbonate rock in the image?
Packstone
Grainstone
Wackestone
Correct!
Wrong!
8) What is the Dunham texture classification term for the carbonate rock in the image?
Wackestone
Packstone
Grainstone
Correct!
Wrong!
9) What are the dominat grains?
Peloids
Oncoids
Ooids
Correct!
Wrong!
10) What type of cement binds the grains?
Isopachous rims of bladed crystals
Poikilotopic calcite
Meniscus cement
Correct!
Wrong!
Exercise 5
This is a recap of your answers. Red = wrong anser Green= right answer
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