Plate tectonics and sandstone compositions
Plate tectonics and sandstone compositions
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DOI：
10.1306/2f9188fb-16ce-11d7-8645000102c1865d
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发表时间：
1979-12
期刊：
影响因子：
3.5
通讯作者：
W. Dickinson;C. Suczek
中科院分区：
文献类型：
--
作者：
W. Dickinson;C. Suczek
不同类型盆地砂岩套的碎屑格架模式是受板块构造控制的物源类型的函数。来自大陆边缘的石英砂广泛分布于内陆盆地、台地序列、冒地斜楔和开放的洋盆中。来自隆起基底块体的长石砂岩局部存在于裂谷槽和与转换断裂有关的扳手盆地中。在海沟、弧前盆地和边缘海中存在火山碎屑岩砂和更复杂的火山-深成岩砂，它们来自岩浆弧。在闭合洋盆、不同类型的接替盆地和前陆盆地中，均存在富含石英或燧石及其它岩屑的、来自俯冲杂岩、碰撞造山带和前陆隆起的破碎造山砂体。三角图显示的框架比例的石英，两个长石，多晶石英岩，火山和沉积的父母不稳定的岩屑成功区分的关键物源类型。物源与盆地的关系对油气勘探具有重要意义，因为不同碎屑组分的砂体骨架对成岩作用的响应不同，从而表现出不同的孔隙度随埋藏深度减小的趋势。
Detrital framework modes of sandstone suites from different kinds of basins are a function of provenance types governed by plate tectonics. Quartzose sands from continental cratons are widespread within interior basins, platform successions, miogeoclinal wedges, and opening ocean basins. Arkosic sands from uplifted basement blocks are present locally in rift troughs and in wrench basins related to transform ruptures. Volcaniclastic lithic sands and more complex volcano-plutonic sands derived from magmatic arcs are present in trenches, forearc basins, and marginal seas. Recycled orogenic sands, rich in quartz or chert plus other lithic fragments and derived from subduction complexes, collision orogens, and foreland uplifts, are present in closing ocean basins, diverse succ ssor basins, and foreland basins. Triangular diagrams showing framework proportions of quartz, the two feldspars, polycrystalline quartzose lithics, and unstable lithics of volcanic and sedimentary parentage successfully distinguish the key provenance types. Relations between provenance and basin are important for hydrocarbon exploration because sand frameworks of contrasting detrital compositions respond differently to diagenesis, and thus display different trends of porosity reduction with depth of burial.