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Results tagged with petrology
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user 178
Petrology is the study of rocks and the processes that lead to their formation and alteration.
10
votes
What lithologies are deemed most suitable for the storage of nuclear waste
Nuclear wastes should be stored in containers designed to contain and isolate radioactive material from the environment. One possibility for the storage of these containers would then be to place them …
- 3,800
12
votes
Accepted
How are the patterns in solid rock born
One can only speculate based upon a photograph - however they look very much like mineralized fractures. At some time in the past this rock mass may have fractured in response to thermal or tectonic s …
- 3,800
6
votes
Accepted
What processes produced the basalt columns of the Giant's Causeway?
These are basalts with columnar joints. Basalt is an igneous rock that forms when magma (liquid + crystals) erupts onto the surface as a lava flow or gets injected into cooler shallow crust and forms …
- 3,800
7
votes
Why are alkali basalts found at rifting centres and on top of 'plumes', whereas MORBs are ge...
Geology/Petrology has proposed some models for the origin of basalts which are based upon chemical evidence from rocks. Modern origin-models have been constrained by isotopic chemistry for some time. …
- 3,800