Illitization of Smectite in Sandstones: The Permian Unayzah Reservoir, Saudi Arabia

被引：25
作者：
Al-Ramadan, Khalid [1 ]
机构：
[1] King Fahd Univ Petr & Minerals, Dept Earth Sci, Dhahran 31261, Saudi Arabia
来源：
ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING | 2014年 / 39卷 / 01期
关键词：
Illitization; Smectite; Illite/smectite; Sandstone; Unayzah reservoir; LAYER ILLITE SMECTITE; MORPHOLOGICAL EVIDENCE; CLAY-MINERALS; DIAGENESIS; CONVERSION; METAMORPHISM; CALIFORNIA; SEDIMENTS; TERTIARY; BURIAL;
D O I：
10.1007/s13369-013-0913-6
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The transformation of smectite to illite through a mixed-layer illite/smectite is a major clay mineral reaction that occurs in a range of diagenetic environments and is commonly observed in siliciclastic sedimentary basins worldwide. This reaction is controlled by several chemical and physical factors. Two of the major controlling factors are temperature and potassium availability within the sediments. Illite coating in the Permian Unayzah reservoir has two main morphologies, platelet-like and fibrous illite. The former is interpreted as formed by transformation of infiltrated smectite during burial. The latter has likely been formed by precipitation from pore water.
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页码：407 / 412
页数：6
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