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A STUDY ON THE BLACK MICROSPHERULES WITH MAGNETISM IN SOIL FROM DONGLING MOUNTAIN, BEIJING

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【Author】 ZHANG BAO-MIN, LI RONG-QUAN YOU CHANG-JIANG JIA TIE-FEI(Department of Geography, Beijing Normal University, Beijing 100875, PRC)

【机构】 Department of Geography； Beijing Normal University； Beijing 100875； PRC； PRC；

【摘要】 <正> Dongling Mountain is the highest one of the Beijing West Mountains. There is a layer of subalpine meadow soil about 0.50 m thick at the top of the mountain, of which the basement rock is the Jurassic andesite. A section was artificially dug out and some samples of更多还原

【关键词】 black microspherules with magnetism； microtektites； cosmic spherules；
【Key words】 black microspherules with magnetism； microtektites； cosmic spherules；

【文献出处】 Chinese Science Bulletin ,科学通报(英文版) , 编辑部邮箱 ,1992年19期

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