A PETROGRAPHICAL STUDY OF THE CHINESE AGALMATOLITES     

H. T. LEE. 《《地质学报》英文版》1928,7(3-4):221-232

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THE FUNDAMENTAL CAUSE OF EVOLUTION OF THE EARTH''S SURFACE FEATURES     

李四光 《地质学报》1926,(Z1)

In the days when the uniformitarians triumphantly fought against the catastrophists, it was apparently thought by the leaders of the rising school that the ebb and flow of the oceanic water had been going on indefinitely all over the surface of our planet for an untold length of time. Beyond this, little was then  相似文献   

四川运动及其在中国之分布     

李春昱 《地质学报》1950,30(Z1)

中国中生代末期之造山运动发生于白垩纪之末或白垩纪与第三纪之间,并非如翁文灏氏所说燕山乙墓发生于上下白垩纪之间,此期运动我们称之为四川运动,其时期与北美之拉惹米运动相当。四川运动之强烈程度难各地互有差异,但分布则最广泛,遍及各省。四川运动在四川省表现最为强烈,在云南、西康、贵州、陕西南部,甘肃中部,宁夏、察哈尔、热河等省都县最重要的造山运勤,台湾省之始新统前造山运动尚不能定其确期,可能亦是这一幕,在其他各省,虽有时不是最重要的造山运动,但其影响则都曾见到。  相似文献   

The Effect of the Earth's Rotation on Geotectonics     

S.P.LEE 《地质学报》1943,(Z2):179-190

正 If we disregard the minor tectonic features, the world's principal mountain systems may be generalized and schematically represented in Fig. 1. This simplest pattern of geotectonics is very speculative. It leads us immediately to  相似文献   

Reflections on Twenty Years'' Experience     

J. S. LEE Chairman at the Jubilee Meeting for the Twentieth Anniversary of the Geological Society of China 《地质学报》1942,(Z1):21-47

正 When I was called to deliver an address to this commemorable gathering I made some effort, following, the usual practice, in the choice of a suitable subject. Before, however, I could settle down seriously on geological problems I found it difficult to resist certain distractions that arise from the development of scientific.  相似文献   

Note ona New Fusulinid Genus, Chusenella     

J. S. LEE 《地质学报》1942,(Z2):171-173

正 Structurally, the more advanced forms of the fusulinids largely fall into two groups: the one represented, by Fusulina, Triticites, Schwagerina, Pseudo-schwagerina, "Parafusulina," Polydiexodina, etc., is characterized by a more or  相似文献   

波浪操纵说     

吕炯 《气象学报》1942,(Z1)

(一)通论谈天气学者,挽近可分三派:曰挪威派创自皮叶克纳司(V.Bjrk-ncs),其说以为天气之变化,其主因仅限于对流层内,是为极面学说(Polarfront-Theorie)。曰弗朗克孚(Frankfurt a.M.)派,以为天气之变化,其主因并不在于对流层,而在平流层中。此说导源于费干(H.v.Ficker)及德芳(A.Defant),但发挥而光大之,则为弗朗克孚大学已故教授司徒沸(G.ve)及其助手米盖(R.Mügge),是为平流层操纵说(Stratosphrische Steuerung)。曰来布齐(Leipzig)派,创自魏克孟(L.Weickmann),以为天气之演变,由于大气中波浪之起伏,此种波浪,既可导源于平流层,亦可导源于对流层,是为波浪操纵说(Wcllen-  相似文献   

Comparison of methods to determine the anthropogenic CO₂ invasion into the Atlantic Ocean     

R. WANNINKHOF  S. C. DONEY  T.-H. PENG  J. L. BULLISTER  K. LEE  R. A. FEELY 《Tellus. Series B, Chemical and physical meteorology》1999,51(2):511-530

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Imbricate thrust stack model for the formation of glaciotectonic rafts: an example from the Middle Pleistocene of north Norfolk, UK   总被引：1，自引：0，他引：1  

HELEN BURKE  EMRYS PHILLIPS  JONATHAN R. LEE  IAN P. WILKINSON 《Boreas: An International Journal of Quaternary Research》2009,38(3):620-637

In this article, we present a glaciotectonic model for raft emplacement based on a study of large-scale and small-scale deformation structures associated with the accretion of chalk rafts at three Middle Pleistocene sites on the north Norfolk coast, eastern England. Detailed structural measurements taken from the three localities indicate an overall sense of ice movement and raft emplacement towards the south/southeast, suggesting a source area for the rafts located to the north of the present Norfolk coast in the offshore area of the North Sea. Provenancing of the chalk rafts, based on analysis of the foraminifera, also indicates a northern nearshore provenance for the chalk. Mechanisms for the detachment, transport and accretion of the rafts are explored, and it is concluded that pressurized pore water played an important role in all three phases. An imbricate thrust stack model of glaciotectonic raft generation is presented, with the structural history of raft emplacement explained by the geometric relationships between the large-scale basal shear planes and associated deformation structures within adjacent preglacial and glacial sediments.  相似文献   

贵州省遵义市降水中低分子有机酸对自由酸度的贡献   总被引：1，自引：0，他引：1  

江伟  李心清  曾勇  黄荣生  谭凌  彭艳  闫慧  程建中 《地球化学》2009,38(4):351-357

贵州省遵义市是我国酸雨高发地区,研究遵义降水中有机酸对自由酸度的贡献是认识遵义市有机酸地球化学循环和酸雨机制的重要内容。在遵义市中心城区进行了一年的降水采集,并利用离子色谱法和原子吸收光谱法对主要阴离子（包括无机和有机阴离子）和阳离子进行了测定。结果显示,年均pH值为4．11（范围3．12～6．04）,pH〈5．6的样品占93．1％,说明遵义市酸雨污染仍然严重;单因素方差分析显示四季的pH值存在显著差异（P〈0．05）,表明遵义市降水酸化程度具有显著的季节性特征;甲酸和乙酸的雨量加权平均值分别为9．29umol／L和6．47umol／L,检出率分别为98．68％和93．42％,表明有机酸在降水中广泛存在;应用热力学理论计算了有机酸对降水自由酸度的贡献量,发现在pH〈5的遵义降水中甲酸和乙酸对自由酸度的平均贡献量分别为14．79％和3．66％,表明有机酸对降水自由酸度具有重要贡献;对比显示,遵义市的有机酸贡献量低于边远地区,这与遵义市降水的低pH值和高无机酸度有关;四季的有机酸贡献量大小为：春季（31．95％）〉夏季（26．16％）〉冬季（11．17％）〉秋季（8．02％）,可见有机酸对自由酸度的贡献量存在明显的季节性变化。在低酸度和低水温的春季降水中,由于人类活动或有机物质的燃烧所释放的大量有机酸（如汽车尾气的排放、燃煤的燃烧）,促使有机酸对降水自由酸度的贡献量最高;其次是在低酸度和强降雨的夏季;而在低酸度的秋季和冬季,有机酸对酸度的贡献量相对最低。  相似文献