冲绳海槽

冲绳海槽Z（14）-6孔氧同位素地层学研究

The oxygen isotopic stratigraphy of core z_ ( 14_6 ) in Okinawa Trough

冲绳海槽沉积物中人工放射性~（137）Cs的分布规律

Investigation of artificial radioactive isotope ~ ( 137 ) cs in Okinawa Trough sediments

冲绳海槽中部37CalkaBP以来的古气候和古海洋环境研究

Paleoclimate and Paleoceanography Study of the Middle Okinawa Trough in the Last 37 Cal ka BP

冲绳海槽Jade热液区海底块状硫化物的Os同位素组成

O_s isotopic compositions of seafloor massive sulfides from the Jade hydrothermal field in the Okinawa Trough

利用取自冲绳海槽北部的80个表层沉积物样品，对其中的放射虫壳体进行了定量分析研究。Q型因子分析得到3个主因子，方差累积贡献为90.2%；

Quantitative analysis of radiolarians was carried out for 80 surficial sediment samples collected from the northern Okinawa Trough .

冲绳海槽中部Jade热液区热液沉积物中Ag的富集成矿作用

Silver Enrichment and Mineralization of Seafloor Hydrothermal Sediment from the Jade Hydrothermal Field in the Middle Okinawa Trough

冲绳海槽Jade热液场烟囱物稀土元素和锶、钕同位素地球化学特征

Rare earth element and strontium-neodymium isotope characteristics of hydrothermal chimney in Jade area in the Okinawa Trough

冲绳海槽Jade热液活动区热液沉积物主要以块状硫化物和硫酸盐矿物为主。

The hydrothermal sediments from Jade hydrothermal field are mainly composed of massive sulfide ore and massive sulfate ore.

冲绳海槽沉积物中U，Ra，Th，~（40）K的地球化学研究

The geochemical studies of u , th , ra , k ( ~ ( 40 ) k ) in sediments of Okinawa Trough

冲绳海槽中部Jade热液活动区中海底热液沉积物的硫同位素组成及其地质意义

Sulfur isotopic composition of seafloor hydrothermal sediment from the Jade hydrothermal field in the central Okinawa Trough and its geological significance

冲绳海槽海底热液喷出口附近海水中~（210）Pb和~（210）Po的行为

~ ( 210 ) Pb and ~ ( 210 ) Po in sea water around the hydrothermal vents in the Okinawa Trough

ODP与冲绳海槽海底热水活动研究

ODP and Study on the hydrothermal activity in the middle Okinawa Trough

用ICP-MS对冲绳海槽Jade热液活动区中6个块状硫化物样品进行了稀土元素分析。

Rare earth elements of 6 massive sulphide samples from the Jade hydrothermal field in the central Okinawa Trough have been analyzed with the ICP-MS.

结果表明在Z.冲绳海槽构造活动的差异性及其非同步发展

The transketolase activity of Z. difference in tectonic activity along the Okinawa Trough and its non - synchronous development

晚第四纪冲绳海槽北段CaCO3含量的时空变化及其控制因素

Spatial-temporal variability of caco_3 contents of the core sediments from the northern Okinawa trough during late Quaternary and its controlling factors

利用以Sr同位素为参数的二端员混合方程进行物源定量分析的结果表明，冲绳海槽中段的西坡和槽底表层沉积物硅酸盐相以陆源物质为主，最大值为9107%；

Quantitative partition illustrates that sediments from the bottom and eastern slope of the middle Okinawa Trough are dominated by terrigenous detritus , maximum content accounting for 91 07 % .

冲绳海槽中段沉积岩芯的氧碳同位素测定和YD事件

The Determination of Sedimentary Cores , Oxygen and Carbon Isotope and " YD " Event in Central Okinawa Trough

冲绳海槽南部A23孔浊流沉积层的粒度特征

Grain-size characteristics of turbidite sediments in core A23 from the southern Okinawa Trough

地堑的走向一般为N60°E左右，相对于冲绳海槽的走向更偏向于东西方向，偏角在15°左右。各段中央地堑是被NW向断裂错开的。

The striking direction of central graben is N60 ° E roughly , that is 15 ° more to the east comparing to the striking of the Okinawa Trough .

就冲绳海槽中部热水活动研究中存在的问题与ODP在冲绳海槽热水区钻探的科学目标进行了讨论。

What is the main control factor and how it influence the hydrothermal activity are unknown . ODP 's drilling in the Middle Okinawa Trough may be give the best explanation .

冲绳海槽中的伊是名（Izena）海洼Jade热液活动区烟囱物稀土元素特征表现为轻稀土元素相对富集，并具有铕的较强的正异常。

The rare earth element components of hydrothermal chimney in Jade area in the Izena depression are characterized by enriched light rare earth element and high positive europium abnormity .

冲绳海槽海底中新世化石的发现及其地层意义东海DC-2孔柱状岩芯的地层划分

Miocene fossils from Okinawa Trough and their Stratigraphical Significance the stratigraphical division of DC-2 columnar core from the East China Sea

结果表明，冲绳海槽末次冰期鼎盛期的古黑潮流在现今1000m等深线之间流过，当时的黑潮流宽度应小于50km；

The results show that the ancient Kuroshio Current runs through Okinawa Trough between the present 1 000m isobaths with a width of the Current of less than 50km at the maximum of Last Glaciation .

冲绳海槽中HCHs含量高且其分布特征显著区别于陆架泥质区，显示该区域这一污染物源可能与陆架区有所不同。

The content of HCHs in Okinawa Trough was high and its distribution character was different markedly from that of the shelf mud areas , showing that the pollutant source of this area obviously differ from shelf .

以2~4cm为间隔，对冲绳海槽北部的CSH1孔岩心（17.36m）进行了岩石磁学研究。

A detailed rock magnetic investigation was undertaken at 2 ~ 4 cm interval for the long core CSH1 ( 17.36 m ) from the northern Okinawa Trough .

通过B-3GC柱状样84个样品的分析，获得了冲绳海槽北部全新世高分辨率沟鞭藻孢囊记录。

Through the analysis of84 samples collected from the core B-3GC in the northern Okinawa Trough , a high resolution dinoflagellate cyst record of the Holocene has been obtained .

冲绳海槽现代沉积物中的碎屑矿物初步研究

Preliminary study on detrital minerals of modern sediments of Okinawa Trough

冲绳海槽南部沉积层序的粒度特征

Grain-size Variations of Terrigenous Sediment Sequences in the South Okinawa Trough

冲绳海槽北段表层沉积物中底栖有孔虫分布的研究

Recent benthic foraminiferal distributions in the northern part of Okinawa Trough

冲绳海槽中部南奄西海丘海底热液活动的若干特征

Properties of the submarine hydrothermal mounds in the middle Okinawa Trough