New answers tagged tectonics
0
You are entirely correct. Todd and Engi write:
The mineral assemblages of rocks at the surface lie on a locus of
P–T-conditions… It must be stressed…does not imply a P–T-distribution or geotherm realized at any one time during the orogenic evolution of this area. Even assuming the P–T-values
reflect maximum metamorphic conditions, these were ...
3
No, earthquakes are sudden, often very energetic events which produce faults and discontinuities. There is a sharp break in the strata when subjected to a powerful earthquake. The folding of strata is a much more gradual process, where rock deep underground is subjected to enormous lateral pressure over millions of years. This pressure is caused by plate ...
Top 50 recent answers are included
