| 21. | Spinels in the groundmass suggest that crustal contamination was extensive.
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| 22. | Rift graben lakes are formed from crustal stretching also known as rifting.
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| 23. | The Cerro Escorial ignimbrite may be of crustal origin and is dacitic.
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| 24. | The Huambo field is located within the Arequipa crustal domain.
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| 25. | The Winton crustal anomaly was, after all, discovered in 2015.
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| 26. | Tectonic units are formations formed due to large-scale crustal processes.
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| 27. | Therefore, inhomogeneous mantle is formed and causes crustal thinning.
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| 28. | *During Lower Mesozoic, eastern China experienced crustal thinning.
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| 29. | Volcanism appears to be associated with crustal extension at Erciyes.
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| 30. | Accommodation zones may be located where older crustal structures intersect the rift axis.
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