Notable Examples of Thick Evaporites in Geological Basins
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Questions and Answers

Evaporites form when dissolved salts precipitate out of sea water due to concentration during distillation.

False

Sea water typically contains 35 grams per liter of dissolved ions.

True

The least soluble compounds precipitate last during the formation of evaporites.

False

Temperature has no effect on the amount of ions precipitated during the formation of evaporites.

<p>False</p> Signup and view all the answers

Calcium sulphate can precipitate as gypsum or anhydrite during the evaporite formation process.

<p>True</p> Signup and view all the answers

Gypsum and anhydrite are the most commonly encountered evaporite minerals in sedimentary rocks.

<p>True</p> Signup and view all the answers

Evaporites are formed from the precipitation of minerals dissolved in water

<p>True</p> Signup and view all the answers

The evaporites in the Michigan Basin are thicker than those in the Messinian of the Mediterranean basin

<p>False</p> Signup and view all the answers

Gypsum and anhydrite are examples of irreversible reactions in evaporite formation

<p>False</p> Signup and view all the answers

Evaporites are commonly found in marine basin settings due to the high evaporation rates

<p>True</p> Signup and view all the answers

The Upper Silurian evaporites of the Michigan Basin are older than the Messinian evaporites of the Mediterranean basin

<p>False</p> Signup and view all the answers

Evaporites are commonly found only in marine environments.

<p>False</p> Signup and view all the answers

Gypsen and anhydrite are examples of evaporite minerals.

<p>True</p> Signup and view all the answers

Evaporite minerals like gypsen can act as cap rocks to carbonate reservoir rocks.

<p>True</p> Signup and view all the answers

Salt diapirism is a process involving the formation of gypsen.

<p>False</p> Signup and view all the answers

Reversible reactions can convert anhydrite into gypsum under certain conditions.

<p>True</p> Signup and view all the answers

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