Lithology identification based on artificial neural networks .
基于人工神经网络的岩性识别方法。
Relation between rocky desertification and lithology in karst area .
贵州岩溶地区岩性与土地石漠化的相关分析。
A relation between the fossil content of a stratum and its lithology .
地层所含的化石及地层岩性间的关系。
Experimental data show that radiation level of surroundings depends on the control influence of lithology .
实验数据表明,环境辐射水平受到基底岩性的控制影响。
With further exploration and development of oil & gas and the development of relevant subject , imaging in complex geological structure and seismic lithology has become urgent problem to be solved .
随着油气勘探开发的不断深入及相关学科的发展,复杂地质构造成像与地震岩性成像已成为急需解决的课题。
Rocky desertification in the karst region is related to stratum and lithology , incising of river , soil ero - sion , gradient and human activities , etc.
喀斯特地区土地的石漠化与地层岩性、河流切割、土壤侵蚀、坡度及人类活动等有关。
The survey data of landslides and debris flows from 1989 to 2002 in yunnan province indicate that the activities of landslides and debris flows are mainly affected by the natural factors such as landform , lithology , rainfall , earthquake , active fault , climate zone and vegetation .
The dilapidation phenomena is related closely to the lithology , stratum , occurrence , struture , cleavage and cranny , as well as the neotectonic movement and land feature and landform conditions and so on .
这种崩塌现象与岩性、地层、产状、结构构造、节理裂隙、新构造运动以及地形地貌条件等关系密切。
Results it shows that lithology of turbidite is similar with that of wallrocks . Blocky bedding , parallel bedding , cross-bedding and convolute structure are better developed in this area .
结果该套浊积岩岩性同围岩类似,块状层理、平行层理、交错层理和包卷构造较发育;
According to the characteristics of lithology and lithofacies , the principle that lithostratic unit group is related to volcano cycle or sedimentary cycle , jiangnan region can be divided into two groups , wuyi region can be divided into three groups , nanling region can be divided into four groups .