| 41. | The Glenns Ferry Formation consists of sandstones, siltstones, mudstones, and shales.
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| 42. | The substrate is limestone and siltstone soil originating in the Carmel and Moenkopi Formations.
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| 43. | It is an approximately 557 m thick sequence of poorly consolidated sandstones and siltstones.
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| 44. | Red shale, siltstone, and sandstone of the Mauch Chunk Formation occurs there.
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| 45. | Moenave Formation ( Jurassic ) : Red and orange sandstone, siltstone, and mudstone.
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| 46. | This member is a sandy siltstone that is interbedded with a fine-grained sandstone.
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| 47. | These sediments in time hardened to become the siltstone and limestone of the Ibex Formation.
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| 48. | Siltstone, mudstone, and claystone implies lithified, or hardened, detritus without fissility.
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| 49. | Sandstones and siltstones, probably deposited under fluvial conditions, make up the Portezuelo Formation.
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| 50. | After lithification, shale, siltstone, and sandstone are formed from the detrital deposits.
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