Exercise 4 - Carbonateworld

1) What is the Dunham texture classification term for the carbonate rock in the image (field of view nearly 6 mm)?

Floatstone/wackestone

Packstone/Rudstone

Grainstone/Rudstone

Correct! Wrong!

2) What is the type of cement binding the intraclasts?

Isopachous fibrous cement

Scalenohedral cement

Radiaxial fibrous cement

Correct! Wrong!

3) What porosity type is evidenced by blue epoxy?

Intraparticle

Interparticle

Intercrystalline

Correct! Wrong!

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

Packstone

Wackestone

Calci-mudstone

Correct! Wrong!

5) What are the grains?

Ooids and lithoclasts

Peloids and intraclasts

Pisoids and intraclasts false

Correct! Wrong!

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

Packstone

Grainstone

Rudstone

Correct! Wrong!

7) What are the dominant grains?

Cortoids

Ooids

Aggregate grains

Correct! Wrong!

8) Identify the type of cement binding the grains:

Isopachous fibrous marine cement

Meteoric vadose meniscus cement

Meteoric vadose fibrous cement

Correct! Wrong!

9) What is the likely mineralogy of the marine cement?

High Mg calcite

Low Mg Calcite

Aragonite

Correct! Wrong!

10) What is the likely mineralogy of the ooids?

High Mg calcite

Aragonite

Low Mg Calcite

Correct! Wrong!

11) What are the skeletal grains in this image?

Corals

Bryozoans

Foraminifera

Correct! Wrong!

Exercise 4

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