archean stratum

用法例句

The SHRIMP age data and geochemical results of the Palaeoarchaean dioritic gneiss and fine-grained trondhjemite of the ancient Dongshan rock belt from the Anshan area are reported in this paper.

本文报道了该区东山古老岩石带古太古代闪长质片麻岩和细粒奥长花岗岩的SHRIMP测年结果和地球化学组成。

Research on Archean Geohistory and Developed Process of Iron Deposit at Wuyang in Henan Province;

河南省舞阳铁矿田太古代古地史及铁矿的形成过程研究

Priviminary Research on Neo Archean Lower Continental Crust(Lower Crust) and Its Nature;

冀西北新太古代下部陆壳及其性质初探

Archean Genesis of Granitic Rocks and Crustal Evolution, in Eastern Hebei and Western Liaoning Area

冀东—辽西地区太古代花岗质岩石成因与地壳演化

Progressive Metamorphic Genesis of Archaean Granulites in Central Nei Mongol;

内蒙古中部太古代麻粒岩递增变质成因

(1998) and Goldfarb et al's (2001) studies, based on the crustal continuum model for late-Archaean lode-gold deposits (Groves, 1993), are marked by involvement of large-amount of new data and consideration for many factors.

显生宙缺乏太古代大规模火成活动,已知金矿中很少同变质深成型(hypozonal),以浅变质岩为围岩的金矿区中没有相当的中 深变质岩为围岩的金矿。

It is confirmed that the Archaean "Anshan Group" in the Jiapigou gold metallogenic belt situated in the northernmost margin of N.

位于华北地台最北缘的夹皮沟金矿带太古代鞍山群主要由两类双峰式灰色片麻岩组成，其原岩均为ＴＴＧ类古侵入体夹拉斑玄武岩质暗色包体，岩石化学上与国外许多太古代高变地体中的灰色片麻岩相似，因而不能作为地层来对待。

The Archeozoic stratabound gold deposits are referred to those occurred in the formation of Jianping group in the Jianping ancient rise of the Inner Mongolian Axis.

辽西太古代层控金矿床系指产于内蒙地轴建平古隆起建平群地层中之金矿。

Mass-Independent Sulfur Isotope Fractionation Effect in Archean Stratiform Sulfides from Xintai Area, Shandong Province

山东新泰太古代层状硫化物中的硫同位素非质量分馏效应

The supracrustal sequences in the Dabie complex in northeastern Hubei belongs to a late Archean stratified metamorphic sequences.

鄂东北大别杂岩中的表壳岩系属于晚太古代层状变质岩系。

A PRELIMINARY STUDY ON STRATABOUND CHARACTERISTICS OF THE GOLD DEPOSITS IN ARCHAEAN GREENSTON IN SOUTHERN JILIN AND NORTHERN LAONING

吉南辽北太古代绿岩金矿层控特征的探讨

Lithostratigraphic division and correlation of the Early Precambrian （Archean－Paleoproterozoic） in North China and age assignment of the lithostratigraphic units

华北早前寒武纪(太古宙-古元古代)岩石地层单位划分、对比及地质年代属性讨论

The earomagnetic anomaly in the north part of the Gushi depression reflected the pitching trend of the Archeozoic stratum to the southwest.

推断固市凹陷北部的航磁异常反映了太古代地层向南西倾伏。

ancient. sunspot observation

太阳黑子的古代观测

archeozoic life forms.

太古生代的生命形式。

Isua's four-kilometer-wide belt of Archean rocks stretches35 kilometers along the western edge of the bluish-gray monolith of the Greenland ice cap.

这片矿藏可不好找，它是四公里宽的太古代岩层，沿著蓝灰色格陵兰冰帽硬块的西缘延伸35公里。

The nickel mineralization is contained in a layered basic massif surrounded and underlain by an Archean gneiss complex.

此处镍矿化产于一层状基性岩块内，其四周和下面都为太古代片麻岩杂岩围绕。

THE RECOGNITION OF ORIGINAL ROCKS OF FELSIC METAMORPHIC ROCKS IN GUANGCHANGLING ARCHEAN BANDED IRON FORMATION AND STRATIGRAPHIC IMPLICATION

弓长岭太古代条带状硅铁建造中长英质变质岩的原岩恢复及地层学意义

REDIVISION AND DES IGNATION CONCERNING ARCHEAN STRATA IN THE LUILIANG MOUNTAINS

吕梁山区太古宙地层重新划分与对比

Paleoproterozoic strata sequence and tectonic setting in southern Jilin Province

吉南地区古元古代地层层序及构造背景

GEOLOGICAL SIGNIFICANCE OF THE NEOARCHEAN GLOBAL CRATONIZATION EVENT AND THE BOUNDARY BETWEEN ARCHEAN AND PROTEROZOIC

新太古代全球克拉通事件与太古宙-元古宙分界的地质涵义

THE PALEOZOIC SEQUENCE STRATIGRAPHIC SYSTEM IN NORTHERN TARIM BASIN

塔里木盆地北部古生代层序地层系统

Progressive Metamorphic Genesis of Archaean Granulites in Central Nei Mongol

内蒙古中部太古代麻粒岩递增变质成因

THE FEATURES OF LATE ARCHEAN METAMORPHIC COMPLEX IN THE MOUNT LANGSHAN AREA,INNER MONGOLIA

内蒙古狼山地区晚太古代变质杂岩特征探讨

A Exploration of A Tod Historical Document The History from Old to the Age of Güüsi Khan;

托忒蒙古文史籍《太古到固始汗时代的历史》初探