| 单词 | sedimentary breccia |
| 释义 | sedimentary breccia [¦sed·ǝ¦men·trē `brech·ǝ] PETROLOGY A rock composed of fragments that are larger than 2 millimeters in diameter and are the result of sedimentary processes; characterized by imperfect mechanical sorting of its materials and by a higher concentration of fragments from one local source or by a wide variety of materials mixed together in no particular pattern. Also known as sharpstone conglomerate. |
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