酒西盆地下白垩统下沟组重力流水下扇沉积

端木合顺; 朱莲芳

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酒西盆地下白垩统下沟组重力流水下扇沉积

端木合顺, 朱莲芳

文章导航 > 沉积学报 > 1990 > 8(2): 75-86

端木合顺, 朱莲芳. 酒西盆地下白垩统下沟组重力流水下扇沉积[J]. 沉积学报, 1990, 8(2): 75-86.

引用本文:

端木合顺, 朱莲芳. 酒西盆地下白垩统下沟组重力流水下扇沉积[J]. 沉积学报, 1990, 8(2): 75-86.

DuanMu Heshun, Zhu lian Fang. GRAVITY- FLOW- SUBMERGED- FAN DEPOSITS OF LOWER CRATACEOUS XIAGOU FORMATION, JIUXI BASIN, GANSU[J]. Acta Sedimentologica Sinica, 1990, 8(2): 75-86.

Citation:

DuanMu Heshun, Zhu lian Fang. GRAVITY- FLOW- SUBMERGED- FAN DEPOSITS OF LOWER CRATACEOUS XIAGOU FORMATION, JIUXI BASIN, GANSU[J]. Acta Sedimentologica Sinica, 1990, 8(2): 75-86.

端木合顺, 朱莲芳. 酒西盆地下白垩统下沟组重力流水下扇沉积[J]. 沉积学报, 1990, 8(2): 75-86.

引用本文:

端木合顺, 朱莲芳. 酒西盆地下白垩统下沟组重力流水下扇沉积[J]. 沉积学报, 1990, 8(2): 75-86.

DuanMu Heshun, Zhu lian Fang. GRAVITY- FLOW- SUBMERGED- FAN DEPOSITS OF LOWER CRATACEOUS XIAGOU FORMATION, JIUXI BASIN, GANSU[J]. Acta Sedimentologica Sinica, 1990, 8(2): 75-86.

Citation:

DuanMu Heshun, Zhu lian Fang. GRAVITY- FLOW- SUBMERGED- FAN DEPOSITS OF LOWER CRATACEOUS XIAGOU FORMATION, JIUXI BASIN, GANSU[J]. Acta Sedimentologica Sinica, 1990, 8(2): 75-86.

酒西盆地下白垩统下沟组重力流水下扇沉积

中国科学院兰州地质所

详细信息

作者简介:
端木合顺,男,28岁,硕士,沉积学.

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GRAVITY- FLOW- SUBMERGED- FAN DEPOSITS OF LOWER CRATACEOUS XIAGOU FORMATION, JIUXI BASIN, GANSU

Lanzhou Institute of Geology, Academia Sinica

摘要

摘要: 重力流水下扇由四种岩相组成:1.砾岩相,属水下碎屑流沉积;2.砾质泥岩相,是多成因的;3.砂岩相,系高密度浊流沉积;4.粉砂岩泥岩相,为低密度浊流和正常湖泊沉积。细分为十五种亚相。岩相的空间配置关系表明水下扇是由突变性洪水事件(和水下滑坡)—水下碎屑流—高密度浊流—低密度浊流的重力流系列形成。本文对重力流沉积从层序结构、沉积体形态、岩相变化和构造控制诸方面进行了探讨。
- 酒西盆地 /
- 下白垩绕 /
- 重力流沉积事件 /
- 永下碎屑流 /
- 浊流 /
- 重力流 /
- 水下扇
Abstract: The strata of Lower Crataceous Xiagou Formation, Jiuxi basin, were deposited in the fault subsidence of nomarine.The sedimentation of gravity-now-submerged-fan is studied in this paper.The authors defined the fan-shaped bodies of sand conglomerates interlayer with lacustrine mudstone and not changed to the river deposits, as Igravity-flow-submerged-fan according to the investigating more than one hundred layers of sandy gravel rock and eighty-four pieces of thin section.The submerged-fan consist of four lithofacies ( conglomerate facies, conglomeratic mudstone facies, sandstone facies and silt / mudstone), including fifteen sublithofacies.The analysis of lithofacies show that conglomerate facies were mainly deposited by subaqueous debris flow, sandston facies by high-density turbidite and silt/ mudstone by low-density turbidity currents and lacustrine sedimentation.Conglomeratic mudstone facies is polygenetic, that is , a genetic spectrum was not formed by them. Having analyzed spacial relationship of lithofacies for the genesis, it is proposed thai the events of catasstrophic flood (subaqueous llandslip) , high-density turbidity currents and low-density turbidity currents are the genetic sequence of hydraulic development in the little sized fault-sidence basin it is discussed that the spacial relationship of lithofacies, control factor of tectonic and the environment evolution in the sedimentary context model of the gravity-flow-submerged-fan at last.To make the sedimentological study of suberged-fan is favourable for developing auto-genetic tnd auto-stored oil-reservoir.

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参考文献(1)

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(1) 何起祥等1984，湖泊相浊积岩的主要特征及其地质意义沉积学报第2卷第4期。

(2) 李思田等1985，阜新盆地晚中生代沙海组浊流沉积相的空间关系地质学报第59卷第1期。

(3) 陈淑珠1985，济阳坳陷下第三系碎屑岩微观相标志沉积学报第3卷第2期

(4) Ba,gnold R.A.1954, Experiments on a gravity-free dispersion of large solid spheres in a Newtonian under shear Proc.Boy.Soc.L,ondon, SerA，V.225, p.49-63

(5) Lowe D.R.1983, Sediment gravity flows: If depositional model with special refference to the de- posits of iugh density turbidity currentsJ.Sediment.Petrol.V.52 No.l

(6) G'oppen T. G. and Steel 8.1981，The deposes, internal structure and geometry in six alluvial fin-far. delta bodies (Devonian-Norway)，a study in the significance of bedding sequence in conglomeratesSoc.EC;en.Paleontal., Spec.PubI.31，p.49-69

(7) :-Hampton M. A. 1975, Competence of fine- grained debris flows J. Sediment. Petrol.，45,p.834-844

(8) Naylor M.a. 1980, The orgin of inverse grading in muddy debris flow deposits--A review J.Sedl-ment.Petrol. V.50 No.4

(9) Hampton M.A 1972, The role of suhaclueous debris flow m generating turbidity current J.Sedi- ment.Petroi., V.42, p.775-793

(10) F'ostma, G.1982Water escape structure :n the context of a dehositional model of amass flow dom-mated conglomeratic fan-delta Sedimentology V.29, p.91-103

(11) Walker R.G ;975. Generalized fades models for resedimented conglomerats of turbidtes associ-anon Bu1l.Geol.Soc.Am., 86, p.735-787

(12) Stow D. A. V. and Shanmugan G. 1980, Sequence of structure in fine grained turbidites comparision of recent deep-sea ancient flysh sediment Sedimentology 30, p.374-399

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酒西盆地下白垩统下沟组重力流水下扇沉积

中国科学院兰州地质所

作者简介:
端木合顺,男,28岁,硕士,沉积学.

收稿日期: 1988-01-20
刊出日期: 1990-06-10

关键词:

浊流 /

重力流 /

水下扇

摘要: 重力流水下扇由四种岩相组成:1.砾岩相,属水下碎屑流沉积;2.砾质泥岩相,是多成因的;3.砂岩相,系高密度浊流沉积;4.粉砂岩泥岩相,为低密度浊流和正常湖泊沉积。细分为十五种亚相。岩相的空间配置关系表明水下扇是由突变性洪水事件(和水下滑坡)—水下碎屑流—高密度浊流—低密度浊流的重力流系列形成。本文对重力流沉积从层序结构、沉积体形态、岩相变化和构造控制诸方面进行了探讨。

English Abstract

GRAVITY- FLOW- SUBMERGED- FAN DEPOSITS OF LOWER CRATACEOUS XIAGOU FORMATION, JIUXI BASIN, GANSU

Lanzhou Institute of Geology, Academia Sinica

Received Date: 1988-01-20
Publish Date: 1990-06-10

Abstract: The strata of Lower Crataceous Xiagou Formation, Jiuxi basin, were deposited in the fault subsidence of nomarine.The sedimentation of gravity-now-submerged-fan is studied in this paper.The authors defined the fan-shaped bodies of sand conglomerates interlayer with lacustrine mudstone and not changed to the river deposits, as Igravity-flow-submerged-fan according to the investigating more than one hundred layers of sandy gravel rock and eighty-four pieces of thin section.The submerged-fan consist of four lithofacies ( conglomerate facies, conglomeratic mudstone facies, sandstone facies and silt / mudstone), including fifteen sublithofacies.The analysis of lithofacies show that conglomerate facies were mainly deposited by subaqueous debris flow, sandston facies by high-density turbidite and silt/ mudstone by low-density turbidity currents and lacustrine sedimentation.Conglomeratic mudstone facies is polygenetic, that is , a genetic spectrum was not formed by them. Having analyzed spacial relationship of lithofacies for the genesis, it is proposed thai the events of catasstrophic flood (subaqueous llandslip) , high-density turbidity currents and low-density turbidity currents are the genetic sequence of hydraulic development in the little sized fault-sidence basin it is discussed that the spacial relationship of lithofacies, control factor of tectonic and the environment evolution in the sedimentary context model of the gravity-flow-submerged-fan at last.To make the sedimentological study of suberged-fan is favourable for developing auto-genetic tnd auto-stored oil-reservoir.

端木合顺, 朱莲芳. 酒西盆地下白垩统下沟组重力流水下扇沉积[J]. 沉积学报, 1990, 8(2): 75-86.

引用本文:

端木合顺, 朱莲芳. 酒西盆地下白垩统下沟组重力流水下扇沉积[J]. 沉积学报, 1990, 8(2): 75-86.

DuanMu Heshun, Zhu lian Fang. GRAVITY- FLOW- SUBMERGED- FAN DEPOSITS OF LOWER CRATACEOUS XIAGOU FORMATION, JIUXI BASIN, GANSU[J]. Acta Sedimentologica Sinica, 1990, 8(2): 75-86.

Citation:

DuanMu Heshun, Zhu lian Fang. GRAVITY- FLOW- SUBMERGED- FAN DEPOSITS OF LOWER CRATACEOUS XIAGOU FORMATION, JIUXI BASIN, GANSU[J]. Acta Sedimentologica Sinica, 1990, 8(2): 75-86.

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酒西盆地下白垩统下沟组重力流水下扇沉积

作者简介:
端木合顺,男,28岁,硕士,沉积学.

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GRAVITY- FLOW- SUBMERGED- FAN DEPOSITS OF LOWER CRATACEOUS XIAGOU FORMATION, JIUXI BASIN, GANSU

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目录

酒西盆地下白垩统下沟组重力流水下扇沉积

中国科学院兰州地质所

作者简介:
端木合顺,男,28岁,硕士,沉积学.

English Abstract

GRAVITY- FLOW- SUBMERGED- FAN DEPOSITS OF LOWER CRATACEOUS XIAGOU FORMATION, JIUXI BASIN, GANSU

Lanzhou Institute of Geology, Academia Sinica

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酒西盆地下白垩统下沟组重力流水下扇沉积

作者简介: 端木合顺,男,28岁,硕士,沉积学.

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GRAVITY- FLOW- SUBMERGED- FAN DEPOSITS OF LOWER CRATACEOUS XIAGOU FORMATION, JIUXI BASIN, GANSU

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酒西盆地下白垩统下沟组重力流水下扇沉积

中国科学院兰州地质所

作者简介: 端木合顺,男,28岁,硕士,沉积学.

English Abstract

GRAVITY- FLOW- SUBMERGED- FAN DEPOSITS OF LOWER CRATACEOUS XIAGOU FORMATION, JIUXI BASIN, GANSU

Lanzhou Institute of Geology, Academia Sinica

全文HTML

目录

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期刊在线

联系我们

作者简介:
端木合顺,男,28岁,硕士,沉积学.

作者简介:
端木合顺,男,28岁,硕士,沉积学.