北黃海盆地前中生代-中生代火山巖磁化率、地球化學(xué)特征及構(gòu)造意義
[Abstract]:The multi-port drilling in the North Yellow Sea basin has encountered the pre-Mesozoic and Mesozoic igneous rocks, and it is proved that the multi-period tectonic activity of the Mesozoic experience in the basin is accompanied by the development of the multi-stage igneous rock. The petrology identification, the magnetic susceptibility and the density test, the main element, the ICP-MS trace and the rare earth element test of the volcanic rocks in the X1 and X2 well of the North Yellow Sea basin are carried out. The results show that the Mesozoic basalanite and the coarse-faced basalt in the front of the X1 well belong to the weak magnetism ((131.5 ~ 138.5) (4),10 ~ (-6)), and the medium-density rock. The Mesozoic infanite (lower layer) and the breccia-containing infanite (upper layer) of the X2 well belong to the weak magnetism ((27.5-82.5) (4)-(10-(-6)), medium-density rock, and the X1-well alkali-basalt belongs to the high-potassium-calcium basic series. The coarse-faced basalt belongs to the calcium-alkaline series, and the two volcanic rocks show a high REE (108.11-10-(-6)-208.02-10-(-6)), light rare-earth enrichment (LREE/ HREE = 4.04-6.91), and weak abnormal (0.99-1.18). The 2-layer volcanic rocks of the X-2 well belong to the calcium basic series, all of which are low-REE, light-rare-earth-enriched, and Eu have weak anomalies. The trace elements are characterized by the enrichment of Ba, U, Sr and Nb and Ta, and the ratio of (Rb/ Sr) _ N, (La/ Nb) _ N and (Ba/ Nb) _ N is higher than that of the original earth crust, which reflects the melting of the magma from the earth's crust. The Mesozoic volcanic rocks of the North Yellow Sea basin are formed in the tectonic setting of the plate, and the Mesozoic volcanic rocks may be formed in the arc-backward extension environment of the plate subduction.
【作者單位】: 吉林大學(xué)地球科學(xué)學(xué)院;廣州海洋地質(zhì)調(diào)查局;
【基金】:國家青年科學(xué)基金項(xiàng)目(No.41402087) 中國地質(zhì)調(diào)查局國家專項(xiàng)項(xiàng)目(No.GZH200700405) 中國博士后科學(xué)基金面上項(xiàng)目(No.2013M530976)
【分類號】:P588.14;P318.41
【參考文獻(xiàn)】
相關(guān)期刊論文 前10條
1 高丹;程日輝;沈艷杰;王嘹亮;胡小強(qiáng);;北黃海盆地東部坳陷侏羅紀(jì)西南物源-沉積體系與源區(qū)構(gòu)造背景[J];地球科學(xué);2016年07期
2 王改云;劉金萍;簡曉玲;王后金;杜民;萬曉明;;北黃海盆地下白堊統(tǒng)致密砂巖儲層特征及成因[J];地球科學(xué);2016年03期
3 吳淑玉;劉俊;;北黃海東部坳陷始新統(tǒng)米蘭科維奇旋回特征[J];地球科學(xué)(中國地質(zhì)大學(xué)學(xué)報(bào));2015年11期
4 王嘹亮;許中杰;程日輝;胡小強(qiáng);劉紅艷;;北黃海盆地上侏羅統(tǒng) 下白堊統(tǒng)火山巖形成時代:鋯石LA-ICP-MSU-Pb定年證據(jù)[J];大地構(gòu)造與成礦學(xué);2015年01期
5 簡曉玲;劉金萍;王改云;萬曉明;;北黃海盆地東部坳陷火成巖地震相識別與分布預(yù)測[J];海洋地質(zhì)前沿;2014年11期
6 秦亞;陳丹丹;梁一鴻;鄒存銘;張青偉;白令安;;吉林南部通化地區(qū)集安群的年代學(xué)[J];地球科學(xué)(中國地質(zhì)大學(xué)學(xué)報(bào));2014年11期
7 易立文;馬昌前;王連訓(xùn);賴中信;李湘玉;楊亞楠;吳 飛;胡晏如;;華南晚奧陶世次火山巖的發(fā)現(xiàn):早古生代與俯沖有關(guān)的英安巖?[J];地球科學(xué)(中國地質(zhì)大學(xué)學(xué)報(bào));2014年06期
8 王后金;王嘹亮;馮常茂;;北黃海盆地的成盆動力學(xué)機(jī)制探討[J];石油天然氣學(xué)報(bào);2014年05期
9 張維;方念喬;;廣東三水盆地始新世火山巖地球化學(xué)特征[J];地球科學(xué)(中國地質(zhì)大學(xué)學(xué)報(bào));2014年01期
10 王嘹亮;沈艷杰;程日輝;許中杰;;北黃海盆地中—上侏羅統(tǒng)火山巖巖石地球化學(xué)特征及構(gòu)造背景[J];中南大學(xué)學(xué)報(bào)(自然科學(xué)版);2013年01期
【共引文獻(xiàn)】
相關(guān)期刊論文 前10條
1 許中杰;王嘹亮;孔媛;程日輝;;北黃海盆地前中生代-中生代火山巖磁化率、地球化學(xué)特征及構(gòu)造意義[J];地球科學(xué);2017年02期
2 胡小強(qiáng);唐大卿;王嘹亮;王后金;杜民;;北黃海盆地東部坳陷斷裂構(gòu)造分析[J];地質(zhì)科技情報(bào);2017年01期
3 杜民;王后金;王改云;簡曉玲;萬曉明;;北黃海盆地東部坳陷中新生代的疊合盆地特征及其成因[J];海洋地質(zhì)與第四紀(jì)地質(zhì);2016年05期
4 肖丹;石萬忠;王嘹亮;唐大卿;王任;陳昊然;夏治e,
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