大洋底的玻璃微粒

彭汉昌; 柴之芳; 于众; 庄世杰

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大洋底的玻璃微粒

彭汉昌, 柴之芳, 于众, 庄世杰

文章导航 > 沉积学报 > 1987 > 5(4): 25-30

彭汉昌, 柴之芳, 于众, 庄世杰. 大洋底的玻璃微粒[J]. 沉积学报, 1987, 5(4): 25-30.

引用本文:

彭汉昌, 柴之芳, 于众, 庄世杰. 大洋底的玻璃微粒[J]. 沉积学报, 1987, 5(4): 25-30.

Peng Hanchang, . THE GLASSY GRAINS IN OCEANIC BOTTOM[J]. Acta Sedimentologica Sinica, 1987, 5(4): 25-30.

Citation:

Peng Hanchang, . THE GLASSY GRAINS IN OCEANIC BOTTOM[J]. Acta Sedimentologica Sinica, 1987, 5(4): 25-30.

彭汉昌, 柴之芳, 于众, 庄世杰. 大洋底的玻璃微粒[J]. 沉积学报, 1987, 5(4): 25-30.

引用本文:

彭汉昌, 柴之芳, 于众, 庄世杰. 大洋底的玻璃微粒[J]. 沉积学报, 1987, 5(4): 25-30.

Peng Hanchang, . THE GLASSY GRAINS IN OCEANIC BOTTOM[J]. Acta Sedimentologica Sinica, 1987, 5(4): 25-30.

Citation:

Peng Hanchang, . THE GLASSY GRAINS IN OCEANIC BOTTOM[J]. Acta Sedimentologica Sinica, 1987, 5(4): 25-30.

大洋底的玻璃微粒

1.
国家海洋局第一海洋研究所青岛;
2.
中国科学院高能物理研究所北京;
3.
石油部石油勘探开发科学研究院北京;
4.
中国有色金属工业总公司矿产地质研究院桂林

基金项目: 国家自然科学基金资助项目

详细信息

作者简介:
彭汉昌,男,46岁,助研,海洋地质学

计量

文章访问数: 494
HTML全文浏览量: 19
PDF下载量: 447
被引次数: 0

THE GLASSY GRAINS IN OCEANIC BOTTOM

Peng Hanchang¹,

1.
First Institute of Oceanography of State Oceanic Administration, Qingdao;
2.
Institute of High Energy Physics, Academia Sinica, Beijing;
3.
Institute of Petroleum Exploration and Planning,Beijing;
4.
China National Nonferrous Metals Industry Corporation, Research Institute of Geology for Mineral Resources, Guilin

摘要

摘要: 大洋沉积物中的微玻璃陨石和火山玻璃是两类性质截然不同的微玻璃体,前者SiO₂含量十分稳定,MgO含量比较高,Na₂O和MnO含量都很低,并具有Os、Ir等重要地外元素丰度特征。另外,还具有特殊的表面结构以及一定的形成年代。后者的SiO₂含量不稳定,MgO含量很低,Na₂O和MgO含量比较高,不具有Os、Ir等地外元素丰度特征。因此,不可将它们混为一谈。
- 玻璃微粒 /
- 微玻璃陨石 /
- 火山玻璃
Abstract: In the oceanic sediments generally contained two kinds of glassy grains(the size less than a millimeter), i. e. the microtektites which are extraterrestrial material, and seafloor volcanic glass which are terrestrial material. Because both of them are very different in properties, should not lump together. The tektite distributed widely all over the world is still attended by geologists, meteorists and space scientists, an important research object in various sciences. The microtektites distributed widely in Atlantic, Indian Ocean and Pacific are also same material because they have same physical, chemical properties, surface feature and formed age, which they were divided into different strewn fields. Important characteristics in chemical composition of microtektites are that their contents of SiO₂ are stable,contents of MgO are higher, and contents of Na₂O and MnO are very low. In addition, also microtektites contained Os, Ir, etc. important trace elements, which are suggested that originate from extraterrestrial. Different microtektites in each strewn fields have variety physical properties, surface feature and formed age. The basaltic glasses in ocean floor are volcanic products in the affirmative. Their properties in colour, type, structure, etc. suggest that they had passed ejected and melted process. Important characteristics in chemical composition of basaltic glasses are that their contents of MgO are very low,contents of Na₂O, K₂O and MnO are all higher, which simlar to chemical composition of volcanic glasses on the continent. The "bomb-shaped glass" different from microtektites and basaltic glasses. They are mainly composed of SiO2 in chemical composition(contents of SiO₂ 90%), contents of other oxides are all low. The results of neutron activation analysis indicate that they contained only a few of trace elements(Fe, Co, Au, etc.) none coutain Os, Ir, et. cparticular trace elements. Therefore, they are not extraterrestrial material, and perhaps they are products ejected by volcano from ocean bottom.

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参考文献(1)

[1]

(1〕彭汉昌、于众、缪听、庄世杰，1983，海洋学报，V. 5 ,N. 2，194-201页。

(2〕彭汉昌、庄世杰、于众，1985，地球物理学报，V.28, N. 5，497-501页。

(3〕马淑兰、柴之芳、毛雪瑛、肖小月、欧阳自远，1985，科学通报，第10期，772-774页。

(4〕Chapman，D.R.and Scheiber, L.G.，1969, J.Geophys.Res.，V.74, p.6737-6776

(5〕Glass, B.P.，1974, Geological Society of America Bulletin，V.85. P.1305-1314

(6〕Glass, B .P.and Zwart. M.J.，1979. Geological Society- of America Bulletin，Part I,V.90, p.595-602.

(7〕O'Keefe.J.A.，1976. Tektites and Their Origin.Eesevies Scientific Publishing Company. 142.

(8〕OIieefe, J.A，1978, Scientific American,.239, N.2p.116-125.

(9〕Peng Hanchang, Zhao Kuihuan and Chin Suitian, 1982, Journal of Geophysical Research, V.87,N.B 7 p.5563-5565.

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文章访问数: 494
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大洋底的玻璃微粒

1. 国家海洋局第一海洋研究所青岛;

2. 中国科学院高能物理研究所北京;

3. 石油部石油勘探开发科学研究院北京;

4. 中国有色金属工业总公司矿产地质研究院桂林

基金项目: 国家自然科学基金资助项目

作者简介:
彭汉昌,男,46岁,助研,海洋地质学

收稿日期: 1985-12-16
刊出日期: 1987-12-10

关键词:

玻璃微粒 /

微玻璃陨石 /

火山玻璃

摘要: 大洋沉积物中的微玻璃陨石和火山玻璃是两类性质截然不同的微玻璃体,前者SiO₂含量十分稳定,MgO含量比较高,Na₂O和MnO含量都很低,并具有Os、Ir等重要地外元素丰度特征。另外,还具有特殊的表面结构以及一定的形成年代。后者的SiO₂含量不稳定,MgO含量很低,Na₂O和MgO含量比较高,不具有Os、Ir等地外元素丰度特征。因此,不可将它们混为一谈。

English Abstract

THE GLASSY GRAINS IN OCEANIC BOTTOM

Peng Hanchang¹,

1. First Institute of Oceanography of State Oceanic Administration, Qingdao;

2. Institute of High Energy Physics, Academia Sinica, Beijing;

3. Institute of Petroleum Exploration and Planning,Beijing;

4. China National Nonferrous Metals Industry Corporation, Research Institute of Geology for Mineral Resources, Guilin

Received Date: 1985-12-16
Publish Date: 1987-12-10

Abstract: In the oceanic sediments generally contained two kinds of glassy grains(the size less than a millimeter), i. e. the microtektites which are extraterrestrial material, and seafloor volcanic glass which are terrestrial material. Because both of them are very different in properties, should not lump together. The tektite distributed widely all over the world is still attended by geologists, meteorists and space scientists, an important research object in various sciences. The microtektites distributed widely in Atlantic, Indian Ocean and Pacific are also same material because they have same physical, chemical properties, surface feature and formed age, which they were divided into different strewn fields. Important characteristics in chemical composition of microtektites are that their contents of SiO₂ are stable,contents of MgO are higher, and contents of Na₂O and MnO are very low. In addition, also microtektites contained Os, Ir, etc. important trace elements, which are suggested that originate from extraterrestrial. Different microtektites in each strewn fields have variety physical properties, surface feature and formed age. The basaltic glasses in ocean floor are volcanic products in the affirmative. Their properties in colour, type, structure, etc. suggest that they had passed ejected and melted process. Important characteristics in chemical composition of basaltic glasses are that their contents of MgO are very low,contents of Na₂O, K₂O and MnO are all higher, which simlar to chemical composition of volcanic glasses on the continent. The "bomb-shaped glass" different from microtektites and basaltic glasses. They are mainly composed of SiO2 in chemical composition(contents of SiO₂ 90%), contents of other oxides are all low. The results of neutron activation analysis indicate that they contained only a few of trace elements(Fe, Co, Au, etc.) none coutain Os, Ir, et. cparticular trace elements. Therefore, they are not extraterrestrial material, and perhaps they are products ejected by volcano from ocean bottom.

彭汉昌, 柴之芳, 于众, 庄世杰. 大洋底的玻璃微粒[J]. 沉积学报, 1987, 5(4): 25-30.

引用本文:

彭汉昌, 柴之芳, 于众, 庄世杰. 大洋底的玻璃微粒[J]. 沉积学报, 1987, 5(4): 25-30.

Peng Hanchang, . THE GLASSY GRAINS IN OCEANIC BOTTOM[J]. Acta Sedimentologica Sinica, 1987, 5(4): 25-30.

Citation:

Peng Hanchang, . THE GLASSY GRAINS IN OCEANIC BOTTOM[J]. Acta Sedimentologica Sinica, 1987, 5(4): 25-30.

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大洋底的玻璃微粒

作者简介:
彭汉昌,男,46岁,助研,海洋地质学

计量

THE GLASSY GRAINS IN OCEANIC BOTTOM

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目录

大洋底的玻璃微粒

1. 国家海洋局第一海洋研究所青岛;

2. 中国科学院高能物理研究所北京;

3. 石油部石油勘探开发科学研究院北京;

4. 中国有色金属工业总公司矿产地质研究院桂林

作者简介:
彭汉昌,男,46岁,助研,海洋地质学

English Abstract

THE GLASSY GRAINS IN OCEANIC BOTTOM

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大洋底的玻璃微粒

作者简介: 彭汉昌,男,46岁,助研,海洋地质学

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THE GLASSY GRAINS IN OCEANIC BOTTOM

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出版历程

目录

大洋底的玻璃微粒

1. 国家海洋局第一海洋研究所 青岛; 2. 中国科学院高能物理研究所 北京; 3. 石油部石油勘探开发科学研究院 北京; 4. 中国有色金属工业总公司矿产地质研究院 桂林

作者简介: 彭汉昌,男,46岁,助研,海洋地质学

English Abstract

THE GLASSY GRAINS IN OCEANIC BOTTOM

全文HTML

目录

友情链接

期刊在线

联系我们

作者简介:
彭汉昌,男,46岁,助研,海洋地质学

1. 国家海洋局第一海洋研究所青岛;

2. 中国科学院高能物理研究所北京;

3. 石油部石油勘探开发科学研究院北京;

4. 中国有色金属工业总公司矿产地质研究院桂林

作者简介:
彭汉昌,男,46岁,助研,海洋地质学