Exercise 1 - Carbonateworld

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

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