Exercise 7 - Carbonateworld

1) To what diagenetic environment can be ascribed the cement in the image?

Burial

Marine

Meteoric

Correct! Wrong!

2) What are the grains in the image?

Ooids and oncoids

Peloids and pisoids

Peloids and ooids

Correct! Wrong!

3) What does the photomicrograph represent?

Calcrete palaeosol

Subtidal lagoon

Slope breccia

Correct! Wrong!

4) What are the skeletal grains in the image?

Corals

Gastropods

Benthic foraminifera

Correct! Wrong!

5) What is the Dunham texture classification term for the carbonate rock in the image?

Compacted wackestone

Fitted fabric packstone

Bindstone

Correct! Wrong!

6) What is the green material filling the Nummulites in the centre of the image?

Micrite

Glaucony

Cement

Correct! Wrong!

7) What is the Dunham texture classification term for the carbonate rock in the image?

Wackestone

Packstone

Grainstone

Correct! Wrong!

8) What are the dominant coated grains?

Ooids

Pisoids

Oncoids

Correct! Wrong!

9) What is the likely depositional environment of this microfacies?

Shoal

Lagoon

Reef

Correct! Wrong!

10) What is the feature crossing in diagonal the image?

Fracture

Vein

Stylolite

Correct! Wrong!

What is the feature crossing in diagonal the image?

Exercise 7

This is a recap of your answers. Red = wrong anser Green= right answer