查询词典 basaltic
- 与 basaltic 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
A hornito is a small rootless spatter cone that forms on the surface of a basaltic lava flow.
翻译成中文为:熔岩丘是形成于玄武岩熔岩流表面的小型无根溅出锥。
-
Cosmogenic 21Ne was utilized to determine exposure ages of young subaerial basaltic lava flows from the Newer Volcanic Province, western Victoria, Australia.
宇宙中产生的21氖被用来测定从澳大利亚的西部维多利亚新火山省流出的地面玄武岩熔岩的暴露年龄。
-
On the basis of volcanological study,here we present thirty one K-Ar ages of basaltic rocks and two 14C ages of coke and peat. The history of LGV Quartenary activities can be divided into three main periods, namely Xiaoyishan Period (Early Pleistocene:2.15~0.75Ma), Longang Period (Middle-Late Pleistocene::0.68~0.05Ma) and Jinglongdingzi Period Holocene:1600~1500a.
根据31个火山岩K-Ar年龄和2个炭化木与泥炭层的14C年龄,将龙岗第四纪火山活动分为三期:小椅山期(早更新世:2.15~0.75Ma)、龙岗期(中-晚更新世:0.68~0.05Ma)和金龙顶子期(全新世:1600~1500a。
-
The study of their precise UPb geochronology and characteristics of rock associations shows that (1) small amount of EarlyTriassic (~248 Ma) volcanic rocks were preserved and cropped out in the area, which consist mainly of thin bed of andesitic rocks intercalated with minor basaltic andesites; that (2) the MiddleTriassic magmatism was characterized by extensive felsic igneous rocks with minor basalts interbedded in the middle of volcanic sections in part of areas, and the late MiddleTriassic rhyolites and main body of Lincang granitic batholith have the same extrusive/intrusive time with the age of ~230 Ma; that (3) the LateTriassic volcanic sequences are principally composed of basalts with minor interlayered rhyolites, exhibiting typical characteristics of bimodal volcanics.
三叠纪岩浆作用广泛发育于澜沧江南带,锆石UPb年代学结果及岩石组合特征显示:(1)该区残留有少量的早三叠世火山岩(约248 Ma),主要为一套薄层的以安山岩为主的火山岩;(2)中三叠世以大规模的酸性岩浆作用为主,部分地段的中部夹有少量的玄武岩,其中晚期的流纹岩与该区出露巨大的临沧花岗岩基主体具有一致的形成时代(约230 Ma);(3)晚三叠世则以基性火山岩为主,夹少量流纹岩为特征的&双峰式&火山岩组合。
-
Tests of one readily available Mars soil simulant, a ground-up basaltic rock called 'baghouse dust', did not go as hoped.
在火星土壤模拟试验过程中,一种被称作&沉渣室尘埃&的玄武岩并没产生预期效果。
-
Main factors affecting seismic data quality and oil exploration of the studied area are outlined below:(1) High-velocity basaltic layers at northern Jiangling are burred shallow and are strongly different in geophysical properties from surrounding rocks.
作者的研究表明,影响江汉靶区地震资料品质及影响进一步勘探进程的主要因素是:(1)陵北地区玄武岩高速层埋藏浅、反射系数大、对深层的能量屏蔽强、常规方法勘探能量下传不足。
-
During Paleogene period 48~ 32 Ma in northeast China, one or several at least basaltic magma eruption events occurred each 1Ma; it is verified by K - Ar chronometric age data.
在中国东北地区始新世48~32Ma期间,每1Ma内至少发生一处或数处玄武岩浆喷发火山事件。K—Ar测年数据记录了其活动的存在。
-
The analysis of the chemical composition of mineral inclusions including olivine, garnet, clinopyroxene, and chromite from Mengyin and Fuxian diamonds, reveals that the major elements of mineral inclusions in diamond show characters with high depletion in basaltic composition.
对山东蒙阴、辽宁复县两地金刚石中包裹体矿物包括橄榄石、石榴石、单斜辉石和铬铁矿的化学成分进行了深入分析,金刚石包裹体矿物的主量元素显示华北地台至少在古生代金伯利岩侵位时具高度亏损玄武质的难熔克拉通岩石圈地幔特征。
-
Type III is composed of latite and benmoreite, which are enriched in Al and Ti, with Na2O/K2O≥1.1 and no negative Eu anomaly (δEu=0.93–1.06), and Th/Ta and Ta/Hf ratios indicate a continental intraplate extensional environment. Its formation is probably related to underplating of basaltic magma.
第Ⅲ类由安粗岩,歪长粗面岩组成,富Ti,Al,Na2O/K2O≥1.1,Eu无异常(δEu=0.93~1.06),Th/Ta,Ta/Hf值显示大陆板内伸展环境,其形成可能与玄武质岩浆的底侵作用有关。
-
Petrological and petrochemical characteristics show that there exist such volcanic and subvolcanic rock types as basalt, iddingsite olivine basalt, olivine basaltic trachyandesite, trachybasalt, latite, trachydacite, trachyte, rhyolite, tuff and granite-porphyry in northeast Jiangxi Province. The volcanic rocks can be subdivided into high K calc-alkaline series, shoshonite series and alkaline basalt series.
岩石学及岩石化学特征表明,赣东北地区早白垩世火山岩及次火山岩主要有:玄武岩、伊丁石化橄榄玄武岩、橄榄玄武粗安岩、粗面玄武岩、安粗岩、粗面英安岩、粗面岩、流纹岩、凝灰岩及花岗斑岩等,可划分为高钾钙碱性、橄榄安粗岩和碱性玄武岩3个系列。
- 推荐网络例句
-
Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.
Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。
-
I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.
我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。
-
The shamrock is the symbol of Ireland and of St.
三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。