Exercise 2 - Carbonateworld

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

Wackestone

Packstone

Calci-mudstone

Correct! Wrong!

2) What are the voids filled by calcite spar?

Intraparticle pores

Fenestrae

Dissolution vugs

Correct! Wrong!

3) In what type of depositional environment do these voids form?

Shallow subtidal

Deep subtidal

Intertidal to supratidal

Correct! Wrong!

4) What is the Dunham/Embry & Klovan texture classification for the carbonate rock in the image?

Wackestone/Floatstone

Packstone/Rudstone

Grainstone/Rudstone

Correct! Wrong!

5) What are the rounded skeletal grains?

Pisoids

Green Alage

Red Algae

Correct! Wrong!

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

Wackestone

Grainstone

Packstone

Correct! Wrong!

7) What are the grains in the image?

Oncoids and peloids

Peloids and micritized ooids

Ooids and oncoids

Correct! Wrong!

8) Identify the type of cement binding the grains

Isopachous meteoric phreatic cement

Meniscus meteoric vadose cement

Isopachous marine phreatic cement

Correct! Wrong!

9) What is the Dunham/Embry & Klovan texture classification for the carbonate rock in the image?

Wackestone/Floatstone

Floatstone/Packstone

Rudstone/Grainstone

Correct! Wrong!

10) Identify the type of cement binding the grains:

Isopachous radial fibrous cement

Blocky sparite cement

Meniscus cement

Correct! Wrong!

Exercise 2

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