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Modification of the high-pressure-type chromites into ...  CNKI文献

The podiform chromitites in the Luobusa ophiolite,Southern Tibet,have received much attention because of the presence of ultrahigh-pressure minerals,such as micro-diamonds(Bai et al.,1993;Yang et al....

YAMAMOTO Shinji KOMIYA Tsuyoshi... Proceedings of International Workshop on:Ophiolites,Man... 2014-04-14 国际会议

关键词: high / Modification / of / the

下载(4)| 被引(0)

Modification of the High-Pressure-Type Chromites into ...  CNKI文献

The podiform chromitites in the Luobusa ophiolite,Southern Tibet,have received much attention because of the presence of ultrahigh-pressure minerals,such as microdiamonds(Bai et al.,1993;Yang et al.,...

YAMAMOTO Shinji KOMIYA Tsuyoshi... Abstracts of the IGCP-649 Workshop on: Ophiolites and R... 2015-08-05 国际会议

关键词: Tibet / high / Modification / of

下载(1)| 被引(0)

The Role of Algae in the Cambrian Explosion  CNKI文献

At the onset of the Cambrian,the supply of nutrients dramatically increased,as clearly shown by the~(87)Sr/~(86)Sr ratio of carbonate.Simultaneously,the amount of oxygen began to increasein the atmos...

Shigenori Maruyama 2013第二届国际藻业大会论文集 2013-09-23 国际会议

下载(2)| 被引(0)

Origin of Tsunami:A Huge Submarine Land Slide Triggere...  CNKI文献

A M=9.0 earthquake occurred on March 11,2011,with its unusually large magnitude drawing our attention.Here,I propose a process that a spray-fault periodically destroys the fore-arc region.This proces...

Shigenori Maruyama 2013第三届国际海洋生物技术大会论文集 2013-09-23 国际会议

下载(4)| 被引(0)

Ultrahigh-Pressure(UHP) Low-Al Titanites from carbonat...  CNKI文献

Titanites previously reported from high-pressure rocks commonly contain high Al and F contents.This has led previous workers to conclude that high Al and F in titanite can promote its stability field...

JING-BO LIOU SOICHI OMORI... 中国科学院地质与地球物理研究所2002学术论文摘要汇编 2002-12-01 中国会议

关键词: ultrahigh-pressure / titanite / low-Al / cabonate

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Fossil Association from the Lower Cambrian Yanjiahe Fo...  CNKI文献

Apart from previously reported Small Shelly Fossils(SSFs),a macroscopic fossil assemblage,comprising abundant algae,cone-shaped tubular fossil forms,and probable impressions of a megascopic metazoan,...

Shigenori MARUYAMA Tsuyoshi KOMIYA 《Acta Geologica Sinica(English Edition)》 2008年06期 期刊

关键词: macrofossil / association / Yanjiahe / Formation

下载(63)| 被引(18)

Nine requirements for the origin of Earth's life:Not a...  CNKI文献

The origin of life on Earth remains enigmatic with diverse models and debates.Here we discuss essential requirements for the first emergence of life on our planet and propose the following nine requi...

Shigenori Maruyama Ken Kurokawa... 《Geoscience Frontiers》 2019年04期 期刊

关键词: Origin / of / Earth's / life

下载(7)| 被引(0)

Initiation of plate tectonics in the Hadean: Eclogitiz...  CNKI文献

When plate tectonics began on the Earth has been long debated and here we argue this topic based on the records of Earth-Moon geology and asteroid belt to conclude that the onset of plate tectonics w...

Shigenori Maruyama M.Santosh... 《Geoscience Frontiers》 2018年04期 期刊

关键词: Initiation / of / plate / tectonics

下载(8)| 被引(3)

柴达木盆地北缘早古生代高压—超高压变质带中发现典型超高...  CNKI文献

从都兰北带榴辉岩的片麻岩围岩的锆石中发现了柯石英包裹体和石墨包裹体,说明该超高压带的峰期变质作用已达柯石英稳定区间(>2.8GPa)但小于金刚石的稳定区间(<3.5GPa),从而确定了柴达木盆地北缘存在早古生代超高...

杨经绥 宋述光... 《地质学报》 2001年02期 期刊

关键词: 超高压变质带 / 柯石英 / 柴达木盆地北缘 / 榴辉岩

下载(654)| 被引(203)

Habitable Trinity  CNKI文献

Habitable Trinity is a newly proposed concept of a habitable environment.This concept indicates that the coexistence of an atmosphere(consisting largely of C and N),an ocean(H and O).and a landmass(s...

James M.Dohm Shigenori Maruyama 《Geoscience Frontiers》 2015年01期 期刊

关键词: Habitable / Trinity / Ocean / Atmosphere

下载(16)| 被引(9)

United theory of biological evolution:Disaster-forced ...  CNKI文献

We present the disaster-forced biological evolution model as a general framework that includes Darwinian "phylogenic gradualism",Eldredge-Gould's "punctuated equilibrium",mass...

Toshikazu Ebisuzaki Shigenori Maruyama 《Geoscience Frontiers》 2015年01期 期刊

关键词: Speciation / Supernova / encounter / Continental

下载(56)| 被引(1)

Three-step modernization of the ocean:Modeling of carb...  CNKI文献

Important ecological changes of the Earth(oxidization of the atmosphere and the ocean) increase in nutrient supply due to the break-up of the super continent(Rodinia) and the appearance of multi-cell...

Miyuki Tahata Yusuke Sawaki... 《Geoscience Frontiers》 2015年01期 期刊

关键词: Carbon / cycle / change / Carbon

下载(34)| 被引(2)

The second continent:Existence of granitic continental...  CNKI文献

It has been thought that granitic crust,having been formed on the surface,must have survived through the Earth's evolution because of its buoyancy.At subduction zones continental crust is predomi...

Kenji Kawai Shinji Yamamoto... 《Geoscience Frontiers》 2013年01期 期刊

关键词: Continental / growth / Granite / First

下载(29)| 被引(14)

Triggers and sources of volatile-bearing plumes in the...  CNKI文献

The paper discusses generation of volatile-bearing plumes in the mantle transition zone(MTZ) in terms of mineral-fluid petrology and their related formation of numerous localities of intra-plate bimo...

Inna Safonova Konstantin Litasov... 《Geoscience Frontiers》 2015年05期 期刊

关键词: Asis / Pacific-type / convergent / margin

下载(19)| 被引(4)

Origins of building blocks of life: A review  CNKI文献

How and where did life on Earth originate? To date, various environments have been proposed as plausible sites for the origin of life. However, discussions have focused on a limited stage of chemical...

Norio Kitadai Shigenori Maruyama 《Geoscience Frontiers》 2018年04期 期刊

关键词: Astrobiology / Biochemistry / Chemical / evolution

下载(26)| 被引(0)

High-pressure phase transitions of anorthosite crust i...  CNKI文献

We investigated phase relations, mineral chemistry, and density of lunar highland anorthosite at conditions up to 125 GPa and 2000 K. We used a multi-anvil apparatus and a laser-heated diamond-anvil ...

Masayuki Nishi Steeve Gréaux... 《Geoscience Frontiers》 2018年06期 期刊

关键词: Anorthosite / Phase / transformation / Multi-anvil

下载(11)| 被引(0)

Secular change in lifetime of granitic crust and the c...  CNKI文献

U-Pb ages of detrital zircons were newly dated for 4 Archean sandstones from the Pilbara craton in Australia, Wyoming craton in North America, and Kaapvaal craton in Africa. By using the present resu...

Hikaru Sawada Yukio Isozaki... 《Geoscience Frontiers》 2018年04期 期刊

关键词: Detrital / zircon / U-Pb / age

下载(9)| 被引(1)

High-reliability zircon separation for hunting the old...  CNKI文献

Despite the recent development in radiometric dating of numerous zircons by LA-ICPMS, mineral separation still remains a major obstacle, particularly in the search for the oldest material on Earth. T...

Yukio Isozaki Shinji Yamamoto... 《Geoscience Frontiers》 2018年04期 期刊

关键词: Hadean / Zircon / U-Pb / dating

下载(9)| 被引(0)

A possible anorthositic continent of early Mars and th...  CNKI文献

The Moon has an anorthositic primordial continental crust. Recently anorthosite has also been discovered on the Martian surface. Although the occurrence of anorthosite is observed to be very limited ...

James M.Dohm Shigenori Maruyama... 《Geoscience Frontiers》 2018年04期 期刊

关键词: Anorthosite / on / Mars / Moon

下载(5)| 被引(1)

A high-resolution chemostratigraphy of post-Marinoan C...  CNKI文献

Cap Carbonates overlie the Marinoan Snowball Earth-related glacial diamictite,and possibly record the drastic surface environmental change and biological evolution after the Snowball Earth.We conduct...

Hisatoshi Sato Miyuki Tahata... 《Geoscience Frontiers》 2016年04期 期刊

关键词: Cap / Carbonate / Ediacaran / Marinoan

下载(15)| 被引(0)

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