| 41. | A feeder dike of olivine gabbro is exposed " below " the now tilted sequence.
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| 42. | They comprise gabbro, diorite and granite.
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| 43. | The gabbro soil formation dates from 175 million years ago during the late Jurassic Period.
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| 44. | Rocks in the Cobb Valley include gabbro and ultramafic rocks that are now largely serpentised.
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| 45. | The boundary of the Tete gabbro-diorite complex is E-W striking dislocation.
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| 46. | Limestone and gabbro were used as flux.
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| 47. | The Australian occurrences include a number of Proterozoic to Cambrian age diabase and gabbro sills.
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| 48. | Below these are quartzite and granite and the top is Virginia Slate and Duluth Gabbro.
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| 49. | Xenoliths containing gabbro are also found.
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| 50. | In addition to gabbro, the second intrusive suite included nepheline syenite, diorite and monzonite.
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