adj.岩相学的；岩类学的
Petrogale───岩风
petroglyphy───n.岩画艺术
The chemical composition, petrographic analysis and dispersing property of kinds of bauxitic clay are compared.───对比研究了几种铝矾土的化学组成、相组成和分散性能。
The results show that coals combustion characteristics have a linear dependence relation with the petrographic factor.───研究表明：煤的燃烧特性与岩相因子有很好的线性相关性。
petrographic terms, this stone is defined as volcanic tufa.───地质学上，此石材属于火山凝灰岩。
The petrographic thin section indicates that the main types of clay mineral is chlorite, kaolinite and illite.───据岩石薄片鉴定，粘土矿物类型主要有伊利石、绿泥石和高岭石。
Silicate petrographic analysis is widely used as an effective method in evaluation of stone like defects in glass .───硅酸盐岩相分析技术做为一种有效的研究方法广泛应用于玻璃结石缺陷的分析鉴定。
This web site provides information about society description, introduction of petrographic atlas, member, annual meeting, etc.───本网站提供了协会介绍、岩相学地图集简介，成员，年会等相关信息。
Both petrographic features and the geochemical modeling also show that they are the late-stage crystallization phases.───岩相学特征和地球化学模拟也都表明这些富铝矿物结晶较晚。
Through accurate description and dissection of deltaic front outcrops, 11 petrographic facies types are established.───通过对三角洲前缘露头的精细描述和解剖，建立了研究区11种岩石相类型。
Wu, F. -T. (1971) Petrographic study of the sandstones in the Hsinying foothills region, Taiwan. Petroleum Geology of Taiwan, 8, 221-234.───吴福泰（1971）台南县新营区麓山带砂岩之岩石学研究。台湾石油地质，第8号，第221-234页。
The liquidus temperatures determined by petrographic microscopy method are in better aggreement with those determined semiquantitatively by the extrapolation method of X-ray diffraction intensity.
The sections are then examined with a petrographic microscope.
Both petrographic features and the geochemical modeling also show that they are the late-stage crystallization phases.
The chemical composition petrographic analysis and dispersing property of kinds of bauxitic clay are compared.
In petrographic terms, this stone is defined as volcanic tufa.
Petrographic examination under the microscope showed that this kind of sillimanite is formed directly from the decomposition of pyrophyllite.
This stain is very valuable for its minute selectivity on a scale discernible with a petrographic microscope.
Petrographic descriptions have been provided for core plugs from five wells.
The study of petrographic fabrics forms the basis for later analytical research, both chemically and isotopically.