| 词汇 | lithology |
| 语种 | 英语、汉语、英汉翻译、汉英翻译 |
| 释义 | BETA Examples of lithologylithology isn’t in the Cambridge Dictionary yet. You can help! Beds of 2- 4 m thickness of orange weathering, grey medium/fineto fine-grained sandstone are the only other significant lithology. The role of volatiles and lithology in the impact cratering process. Thrusting does not seem to have been uniformly distributed, even through similar gross lithologies. They consist of ortho-amphibolites at the top and metasedimentary lithologies at the base. Unfortunately, he did not indicate the exact thickness of the different lithologies. The fracture pattern of this lithology tends to lead to break up of the cores. Uranium content, determined from the spectral gamma-ray, attains its highest concentrations in this lithology. This lithology frequently contains significant quantities of larger grains within the matrix, ranging from sand-sized to conglomeratic. It is, therefore, a heterolithic lithology representing an environment with variable mixed inputs of organic-rich mudstones and much coarser material resulting from localized cave collapse. The two most common lithologies are (1) a dark grey, olivine gabbro and (2) an extremely heterogeneous, brown-light grey, olivine gabbro. The host lithologies are mudstones, siltstones, minor black limestones and subordinate sandstones, with numerous disturbed beds composed of any or all of these lithologies. The lithology of every unit is discussed in some detail. The abundance of conodont elements also shows significant variation in similar chert lithologies, probably indicating fluctuations in sedimentation rate at particular stratigraphical intervals. Igneous lithologies vary from diorite through granodiorite, and granite to pegmatitic granite. The lithology of the sediment is also fairly unusual in comprising clasts of finely laminated grey limestone. The syndromes are affected by the lithology, stratigraphy and tectonics of the bedrock, and by topogenesis and regolith formation. The lithology of site 463 consists largely of foraminiferal and nannofossil chalk ooze. |
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