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3 answers
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Why is phosphorus concentrated in living organisms rather than the lithosphere, aesthenosphere, crust, mantle, core?

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1 answer
219 views

Does anyone know what the mineral of the year 2023 is?

4 votes
1 answer
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What is a good definition for "lattice bound" and is iron within octahedral sites of illite considered lattice bound or interstitial?

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2 answers
811 views

Where does molecular hydrogen in the atmosphere come from?

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Dependancy of acid strength and volume to the column size: Column Chromatography

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1 answer
71 views

Simple explanation of what "preferential lattice expansion due to excessive magnesium adsorption", means

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2 answers
161 views

Likely air composition in cave only accessible from underwater?

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5 answers
7k views

Are fossil fuels really formed from fossils?

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What is the Calcite Compensation Depth and what is its significance for carbonate deposits?

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Does each volcano have a fingerprint?

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1 answer
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Stratigraphy of limestone applied to the Great Pyramid of Giza

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368 views

How is the difference in crust and mantle composition explained?

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2 answers
260 views

Why does calcium occur together with felsic rocks and magnesium with mafic rocks if calcium is denser than magnesium?

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1 answer
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What is the difference between chalcophile and siderophile elements?

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