| 31. | Basalt and gabbro commonly exhibit an equigranular texture.
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| 32. | It was also discovered that the meteorite had similarities to terrestrial gabbro or basalt.
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| 33. | The terrane contains mostly gabbro and gneiss that show intrusions of granite and dolerite.
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| 34. | Intermediate rocks are termed gabbro-norite.
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| 35. | Their essential minerals are pyroxene, plagioclase and garnet : chemically they resemble the gabbros.
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| 36. | Its geology features intrusive igneous rock formations, such as gabbro, combined with serpentine.
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| 37. | Gabbro weathers to a darker red soil than granodiorite or other quartz-rich rock.
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| 38. | Often, cumulate layers are polyminerallic, forming gabbro, norite and other rock types.
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| 39. | Silurian rocks include the Iron Hill Gabbro, Bringhurst Gabbro, and Arden Plutonic Supersuite.
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| 40. | Silurian rocks include the Iron Hill Gabbro, Bringhurst Gabbro, and Arden Plutonic Supersuite.
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