| 41. | The formation of mud cracks and clasts signals that periodic drought conditions occurred in the quarry, Gates says.
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| 42. | The gastroliths were mostly composed of chert, with some sandstone, siltstone, and quartzite clasts also included.
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| 43. | The sample contains a large clast of anorthosite, and Dave Scott said " Guess what we just found!
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| 44. | The clasts tended to be close to spherical in shape, although the largest specimens were also the most irregular.
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| 45. | As a result, the FTCE began in 2002 to replace the College Level Academic Skills Test ( CLAST ).
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| 46. | The meteorite is an ordinary chondrite, an H chondrite breccia, containing clasts of petrologic types 4 to 5.
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| 47. | Three months after the eruption, the mass had dispersed into very dilute rafts and ribbons of floating pumice clasts.
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| 48. | Pyroclastic rocks may be a range of clast sizes, from the largest agglomerates, to very fine ashes and tuffs.
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| 49. | Agglomerates are typically poorly sorted, may contain a fine ash or tuff matrix and vary from matrix to clast support.
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| 50. | Methods involve description of clast size, sorting, composition, rounding or angularity, sphericity and description of the matrix.
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