浙江寿昌盆地火山砂岩的成岩作用和原生孔隙的破坏、次生孔隙的形成

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浙江寿昌盆地火山砂岩的成岩作用和原生孔隙的破坏、次生孔隙的形成

文章导航 > 沉积学报 > 1991 > 9(2): 93-98

徐北煤. 浙江寿昌盆地火山砂岩的成岩作用和原生孔隙的破坏、次生孔隙的形成[J]. 沉积学报, 1991, 9(2): 93-98.

引用本文:

徐北煤. 浙江寿昌盆地火山砂岩的成岩作用和原生孔隙的破坏、次生孔隙的形成[J]. 沉积学报, 1991, 9(2): 93-98.

Xu Beimei. Diagenesis of Volcanic Sandstone in Shoushan Basin Especially for the Damaging of Primary Pores and the Forming of Secondary Pores[J]. Acta Sedimentologica Sinica, 1991, 9(2): 93-98.

Citation:

Xu Beimei. Diagenesis of Volcanic Sandstone in Shoushan Basin Especially for the Damaging of Primary Pores and the Forming of Secondary Pores[J]. Acta Sedimentologica Sinica, 1991, 9(2): 93-98.

徐北煤. 浙江寿昌盆地火山砂岩的成岩作用和原生孔隙的破坏、次生孔隙的形成[J]. 沉积学报, 1991, 9(2): 93-98.

引用本文:

徐北煤. 浙江寿昌盆地火山砂岩的成岩作用和原生孔隙的破坏、次生孔隙的形成[J]. 沉积学报, 1991, 9(2): 93-98.

Xu Beimei. Diagenesis of Volcanic Sandstone in Shoushan Basin Especially for the Damaging of Primary Pores and the Forming of Secondary Pores[J]. Acta Sedimentologica Sinica, 1991, 9(2): 93-98.

Citation:

Xu Beimei. Diagenesis of Volcanic Sandstone in Shoushan Basin Especially for the Damaging of Primary Pores and the Forming of Secondary Pores[J]. Acta Sedimentologica Sinica, 1991, 9(2): 93-98.

浙江寿昌盆地火山砂岩的成岩作用和原生孔隙的破坏、次生孔隙的形成

徐北煤

浙江省石油地质研究所, 杭州

作者简介:
徐北煤,男,41岁,工程师,沉积学.

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Diagenesis of Volcanic Sandstone in Shoushan Basin Especially for the Damaging of Primary Pores and the Forming of Secondary Pores

Xu Beimei

Zhejing Institute of Petroleum and Geology, Hanzhou

摘要: 因寿昌盆地横山组,寿昌组的沉积特征、矿物成分和结构的差别,导致其成岩作用具有明显的分带性(横山组为浊沸石带、寿昌组为钠长石带)。早期成岩作用以压实、压溶以及水化作用为主,晚期成岩作用的脱水反应、溶蚀(解)作用产生次生孔隙.使之可能成为油气储集层。
- 原生孔隙 /
- 火山砂岩 /
- 水化作用 /
- 脱水反应 /
- 压实 /
- 压溶作用 /
- 溶蚀(解)作用
Abstract: Shouchang Basin is an accumulation basin of volcanic sandstone, which located in Shouchang, Zhejiang province, substrata of which is Henshan group of fluvial sediments (Lewer Cretaceous) and the upper is Shouchang group of lacastrine deposit (Upper Jurrasic), both of them are sandstones of low quartz contents, the former is charactrized by plagioclase and lithoclast, and the later is mainly ortheclase and lithoclast. It is the different compositions which led to the different diagenesis of the two groups.Undertaken high temparature and pressure (i.e. above 200@@ and less than 3 kb.), Henshan group undergone early diagenesis with the feature of laumontite formed by hydration; but Shouchang group undergoue late diagenesis characterized by albite formed by dehydration.Diagenetic zonation is obviously in the basin. Diagenetic processes are based on the different mineral compositions and characters of the two groups.In the early diagenetic stage, because of the lack of quartz, primary pores are mainly damaged by compaction, pressur solution, hydration and the regrowth of quarty and feldspar, filling of carbonate can also destroy the primary pores.But the secondary pores can be formed by dehydration and dissolution during late diagentic stage which made the strata be a potential reservoir of oil and gas.

参考文献(1)

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浙江寿昌盆地火山砂岩的成岩作用和原生孔隙的破坏、次生孔隙的形成

徐北煤

浙江省石油地质研究所, 杭州

作者简介:
徐北煤,男,41岁,工程师,沉积学.

收稿日期: 1988-11-17
刊出日期: 1991-06-10

关键词:

溶蚀(解)作用

摘要: 因寿昌盆地横山组,寿昌组的沉积特征、矿物成分和结构的差别,导致其成岩作用具有明显的分带性(横山组为浊沸石带、寿昌组为钠长石带)。早期成岩作用以压实、压溶以及水化作用为主,晚期成岩作用的脱水反应、溶蚀(解)作用产生次生孔隙.使之可能成为油气储集层。

English Abstract

徐北煤. 浙江寿昌盆地火山砂岩的成岩作用和原生孔隙的破坏、次生孔隙的形成[J]. 沉积学报, 1991, 9(2): 93-98.

引用本文:

徐北煤. 浙江寿昌盆地火山砂岩的成岩作用和原生孔隙的破坏、次生孔隙的形成[J]. 沉积学报, 1991, 9(2): 93-98.

Xu Beimei. Diagenesis of Volcanic Sandstone in Shoushan Basin Especially for the Damaging of Primary Pores and the Forming of Secondary Pores[J]. Acta Sedimentologica Sinica, 1991, 9(2): 93-98.

Citation:

Xu Beimei. Diagenesis of Volcanic Sandstone in Shoushan Basin Especially for the Damaging of Primary Pores and the Forming of Secondary Pores[J]. Acta Sedimentologica Sinica, 1991, 9(2): 93-98.

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