| 41. | She began to sing about the differing properties of igneous, metamorphic and sedimentary rocks.
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| 42. | "' faulted sedimentary rocks of early to middle Paleozoic age.
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| 43. | Sedimentary rocks from Cambrian through Permian age fill the basin.
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| 44. | And they didn't have the obvious bedding of a dolostone ( sedimentary rock ).
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| 45. | The tools had been discovered 20 years ago in sedimentary rock south of Mongolia.
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| 46. | The intrusions are hosted by Permian to Cretaceous sedimentary rocks.
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| 47. | Shungite may also occur as clasts within younger sedimentary rocks.
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| 48. | The Sydney Basin consists of Permian and Triassic sedimentary rocks.
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| 49. | However, most sedimentary rocks contain iron in varying degrees.
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| 50. | It consists of sedimentary rocks dating from the counties.
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