| Zhang, Zhaochong, Feng, Chengyou, Li, Zhaonai, Li, Shucai, Xin, Ying, Li, Zhaomu, Wang, Xianzheng (2002) Petrochemical study of the Jingpohu Holocene alkali basaltic rocks, northeastern China. GEOCHEMICAL JOURNAL, 36 (2) 133-153 doi:10.2343/geochemj.36.133 | Journal (article/letter/editorial) | Petrochemical study of the Jingpohu Holocene alkali basaltic rocks, northeastern China ZHAOCHONG ZHANG ,1 *...Academy of Geological Sciences, Beijing 100037, China Institute of Mineral Deposits, Chinese Academy of...100037, China 3 Institute of Geological Sciences of Heilongjiang Province, Ha-erbin 150036, China (Received...Accepted January 7, 2002) Holocene volcanoes in the Jingpohu region are situated in the “Crater Forest” and...areas along the northwest side of Jingpohu Lake, northeastern China. Dating of three charcoal samples | | Yuan, Wanming, Ketcham, Richard A., Gao, Shaokai, Dong, Jinquan, Bao, Zenkuan, Deng, Jun (2009) Annealing behavior of alpha recoil tracks in phlogopite. Chemical Geology, 266 (3) 343-349 doi:10.1016/j.chemgeo.2009.06.022 | Journal (article/letter/editorial) | and Mineral Resources, China University of Geosciences, Beijing, 100083, China Department of Geological... Chinese Academy of Sciences, Beijing, 100085, China d Laboratory of Nuclear Analysis Techniques, Institute... Chinese Academy of Sciences, Beijing, 100039, China b a r t i c l e i n f o Article history: Received...of Hama Pond, Jingbo Lake, in the northeast of China. Although the precise sampling locality has not...from trees killed in one eruptive episode for the Jingpohu volcanic group indicates an age range of 5200–5500 | | | Journal (article/letter/editorial) | between leucite and phonolite melt and 226Ra-disequilibrium crystallization ages of leucite Alessandro...Rickard Keywords: Crystallization ages LA-ICP-MS Leucite Partition coefficients Radium a b s t r a c t Radium...experimentally determined at atmospheric pressure for leucite in equilibrium with a phonolitic melt. Ra bulk...sufficient for precise LA-ICP-MS measurements of Ra in leucite and melt. Partition coefficients increase for the...magnitude younger 226 Ra crystallization ages for leucite. Employing our partitioning data in combination | | | Book | Physico-chemical constraints for the crystallization of leucite and melilite, their P-T stability together with...pseudoleucite and the problems related to survival of leucite beyond Tertiary due to analcitization are discussed...Incompatible relationship between the mineral pairs, leucite and sodic plagioclase and occurrence of the former...understood from the study of the systems leucite–albite and leucite–albite–anothite under atmospheric pressure...are summarized. The course of crystallization of leucite-bearing tephrites and basanites is also described |
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