archeophytic era

Characters and influence factors on Archeozoic reservoir in the Chengbei 30 buried hills;

埕北30潜山带太古界储层特征及其影响因素

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

Ore-forming fluids of sheat zone-controlled gold deposits in Archean grcenstone belts consist of H2O, SiO2, CO2, K, Na, Ca, Mg, Cl as well as CH4, H2S and N2 etc.

太古代绿岩带剪切带中金矿成矿流体成分主要为Ｈ２Ｏ，ＣＯ２，Ｋ，Ｎａ，Ｃａ，Ｍｇ，Ｃｌ，ＳｉＯ２，ＣＨ４，Ｈ２Ｓ及Ｎ２。

Some problems and suggestions about the geological survey and study in Archean felsic gneiss terrains.;

太古宙长英质片麻岩区地质调查研究中存在的一些问题和建议

Archean crustal evolution and the oldest rocks in the North China craton;

华北克拉通太古宙地壳演化和最古老的岩石

Progresses and Reviews on the Archean Life;

太古宙的生命起源信息及研究评述

Their source is the Archean Group.

它们皆为S型，其源岩为太古界。

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 results indicate that the composition of post_Archaean sedimentary rocks of NCC is not uniform.

结果表明，华北克拉通后太古宙沉积岩组成并不均一。

The Qianhao quartz diorites emplaced in Late Archean Se ertengshan Group composes a part of the Late Archean granite-greenstone belt with plagiogranites.

前壕石英闪长岩侵入到新太古界色尔腾山岩群中,它们与斜长花岗岩等共同构成了新太古代花岗岩—绿岩带,石英闪长岩岩石化学、地球化学显示为I型花岗岩系,与太古宙高铝型TTG花岗岩系特征一致,为不同源岩部分熔融的产物(可能有幔源岩浆参与)。

Analyses the cause of Turkey red oil stains on real silk knits and offers countermeasures toprevent or remove such stains so as to ensure knit quality and avoid heavy economic lOSSes.

分析了真丝针织绸形成太古油斑点的原因，提出了防止和避免产生太古油斑点的对策措施，以及清除和解决太古油斑点的办法。