Erupted basalts in this area have 98～105 Ma KAr isotopic age, and their geochemical characteristics show that these basalts are divided into two types: tholeiite and alkaline olivine basalt.
岩石地球化学特征表明研究区有两类玄武岩:江山陈塘坞一带的拉斑玄武岩,礼贤、广丰一带的碱性橄榄玄武岩。
Therefore, the element ratios can be applied to the study of trace element characteristics of rocks in the tholeiite source region.
因此研究拉斑玄武岩源区岩石中的微量元素特征可以采用元素比值的方法。
Studies of immobile elements in the rocks show that these meta-volcanic rocks were tholeiite originally, and have geochemical characteristics of mid-ocean ridge environment,belonging to T-type MORB.
不活动组分的研究显示，其原岩主要是拉斑玄武岩类，且具有形成于洋中脊环境的地球化学特征，可能属于T型地幔源区的洋中脊玄武岩（MORB）。
The protolith of eclogites in north Qinling belongs to tholeiitic basalt.
地球化学研究表明:北秦岭榴辉岩原岩属于拉斑玄武岩系列,岩石的Nb/La=0。
tholeiitic dolerite
拉斑玄武岩质粒玄岩
tholeiitic gabbro
拉斑玄武岩质辉长岩
Basic suite consists of tholeiite and alkali-basalt.
基性岩套由拉斑玄武岩-碱性玄武岩组成.
The compositions of major elements from the rocks are consistent with those of basalt and have evolutional current of tholeiite.
岩石的主量元素组成和玄武岩一致,并且具有拉斑玄武岩演化趋势。
The amphibolite and basic granulite may be comparable to the world's metamorphic tholeiite.
斜长角闪岩和基性麻粒岩可与世界变质拉斑玄武岩对比.
All of above characteristics show that the Qingshuiquan basalt is continent tholeiite, rather than a component unit of ophiolites.
这些特征显示大陆拉斑玄武岩的特征,不是蛇绿岩组成单元。
The magma originated from the upper mantle and belongs to the tholeiitic series which has undergone immiscible separation of metal sulfide.
岩浆起源于上地幔,属于拉斑玄武岩系列,发生过金属硫化物的熔离作用。
Study of the tensile property of the basalt fiber reinforced structure
玄武岩纺织增强结构的拉伸性能研究
RESEARCH ON TENSILE CAPACITY OF SMALL SIZE CARBON/BASALT FIBER HYBRID SHEETS
小尺寸碳/玄武岩纤维混杂布的张拉性能研究
basalt eclogite transformation
玄武岩 榴辉岩转化
alkali olivine basalt magma
碱性橄榄玄武岩岩浆
Geochemistry and petrogenesis of the Sangxiu Formation basalts in the central segment of Tethyan Himalaya
特提斯喜马拉雅带中段桑秀组玄武岩的地球化学和岩石成因
of or relating to or containing basalt.
属于、关于或含有玄武岩。
Ullswater basalt group
尤尔斯瓦特玄武岩群
Basalt, basalt everywhere, and not a drop of water in sight.
玄武岩，到处都是玄武岩，视野中没有一滴水。
The Archaean meta-basalts are distinguished into two meta-basalts formed in the greenstone belt and in the high-grade metamorphic region.
本文把太古代变质玄武岩分成绿岩带变质玄武岩和高级区变质玄武岩。
Basalt is the commonest volcanic rock.
玄武岩是最普通的火山岩。
Petrogenesis of High-Ti and Low-Ti Basalts in Emeishan;
峨眉山高钛和低钛玄武岩的岩石成因