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6 answers
22 votes
19k views
What was the first rock in the rock cycle?
1 answer
3 votes
101 views
What are the compressive strengths of goethite and magnetite?
2 answers
2 votes
47 views
What is the role of trace elements in magmatic crystallization?
0 answers
4 votes
32 views
Carbon emission from estuaries
0 answers
23 votes
847 views
How are Mauna Loa $\ce{CO2}$ monthly trends computed?
2 answers
3 votes
153 views
How abundant is high purity silica?
0 answers
3 votes
24 views
Can geochemical anomalies of stream sediment samples be used directly for mapping targets?
1 answer
9 votes
569 views
Carbon's role in ocean acidification
1 answer
4 votes
38 views
Why were Fe-oxides not usually used for finding skarn Fe ore deposits in geochemical exploration?
2 answers
24 votes
3k views
Why does phosphate rock contain uranium?
1 answer
2 votes
153 views
Are there any sulphides, sulphates, carbonates that cannot be dissolved by aqua regia?
0 answers
3 votes
37 views
What is the electrical conductivity of a liquid Komatiite?
1 answer
6 votes
146 views
Do carbon dioxide hydrates exist in nature?
2 answers
8 votes
1k views
Do lead 206 and other daughter isotopes occur naturally?
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