| 41. | It formed by retrograde metamorphism and oxidation of tactite, also resulting in kinoite.
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| 42. | Mesosiderites are breccias which show signs of metamorphism.
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| 43. | Complex experienced regional metamorphism in the early Paleozoic.
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| 44. | Some show granulite facies metamorphism, but most are the slightly lower temperature amphibolite facies.
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| 45. | This is termed burial metamorphism, and it can result in rocks such as jade.
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| 46. | Where both heat and pressure play a role, the mechanism is termed regional metamorphism.
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| 47. | Three types of metamorphism exist : regional.
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| 48. | Contact metamorphism occurs typically around country rock.
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| 49. | Contact metamorphism is greater adjacent to the intrusion and dissipates with distance from the contact.
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| 50. | They presented evidence of shock metamorphism, which is consistent with similar impact crater sites.
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