adj.地向斜的
n.地槽的
The polycyclic development of geosynclinal belts is controlled by the cyclicity of subduction during e geological time. 地質(zhì)時期地槽的多旋回發(fā)展受到俯沖作用旋回的控制。
According to diwa theory, three tectonic stages, geosynclinal,platform and diwa, have been recognized in the Alato Mountain. 本文應(yīng)用地洼學(xué)說的觀點,明確提出本區(qū)經(jīng)歷過地槽、地臺、地洼三個大地構(gòu)造發(fā)展階段;
In recent years,there more different types Mo deposits(spots) have been discovered in Jilin geosynclinal area,mainly porphyry,quartz vein,skarn and fracture altered rock deposits. 近幾年吉林槽區(qū)陸續(xù)發(fā)現(xiàn)多處不同類型的鉬礦床(點),其主要類型有斑巖型、石英脈型、矽卡巖型、破碎蝕變巖型。
The eastern part of Jilin Province lies across geosynclinal area and platform, f orming appropriate structural pattern, sedimentary formation and magmatic activi ties. 吉林省東部跨槽、臺兩大構(gòu)造單元,形成了與這相應(yīng)的構(gòu)造樣式、沉積建造和巖漿活動。
Marine progression and regression activities in platform areas are frequently triggered by the adjacent geosynclinal areas where basin and range movements take place. 地臺區(qū)的海進、海退,分別與相鄰地槽區(qū)的造盆和造山運動伴生這一普遍現(xiàn)象,主要是在重力均衡作用下,上地幔流變層(軟流層,異常地幔)物質(zhì)側(cè)向遷移所致。