元古代的

And the results for two samples from Xiakangiayu, southeast of Xiaojue give an approximate age around 2.06～2.08 Ga for another episode of anatexis in the Paleo-Proterozoic time.

小觉西南下康家峪两块标本的测定结果，提供了该地区阜平群岩石在2.06～2.08 Ga经历了古元古代时期重熔作用改造的信息。

In this area, there are huge thick basalt and diabase wall clusters, which have been thought as the Mesoproterozoic basic magmatism.

此地区发育巨厚的玄武岩及辉绿岩墙群，过去认为系中元古代时期的基性岩浆活动。

An evolutionary sequence of paleoproterzoic granite in the Luliang area was initially established based on a large number of isotopic geochronology data and geologic settings of each-stage granites were determined on the basis of geochemical features and geologic characteristics.

根据大量同位素年代资料，初步建立了吕梁地区古元古代花岗岩的演化序列，并根据地球化学特征和综合地质特征确定了各期花岗岩形成的地质背景。

Its basement is composed of Mesoproterozoic greenstone and associated complex, with the tectonic characteristics of earlier crustal evolution.

研究表明，其基底由前中元古代绿岩及与之伴生的花岗质杂岩组成，它们具有地壳早期演化的地质构造特徵。

The Middle Upper Proterozoic Haijiushan Formation and Upper Silurian Shuangliuzhou Formation have been newly established.

根据对西汉水群的详细解体、划分，首次在西和—成县地区发现元古代地层单元。

Within the belt ,the mid-late Proterozoic green-schists were ovethrust from south to north onto the late Paleozoic granitic batholith at a low angle.

中晚元古代浅变质的绿片岩系自南向北以低角度辗掩于晚古生代花岗岩基之上。

The Jiashengpan lead-zinc-sulfur deposit, located in Langshan-Zhaertaishan mineralization belt in the western part of northern margin of North China Platform, rich in Mesoproterozoic Zhaertaishan Group, is obviously stratabound and controlled by synchronous fault. The ore bodies are mainly composed of layered, conglomeratic and disseminated ores.

甲生盘铅锌硫矿床位于华北陆块北缘西段狼山-渣尔泰山成矿带，赋存于中元古代渣尔泰山群地层中，具有明显的层控特征并受同生断裂影响，区内矿石层纹状、角砾状和浸染状构造发育。

Mr. Wang Dong yuan's artworks mainly use ancient mascot calabashes of our country as carriers.

王东元先生的作品主要以我国古代吉祥物葫芦为载体，经煮、洗、涂、绘、刻、穿等工序，纯手工制作而成。

Numerous iron spherules have been found from coarse sandstone in the bottom of the Changzhougou Formation (1.8Ga) and silicified carbonate rock of the Dahongyu Formation (1.6Ga) of Proterozoic strata of the Ming Tombs District, Beijing.

北京十三陵中元古代常州沟组底部的粗砂岩(l.8Ga)和大红峪组硅化碳酸盐岩(1.6Ga)中都发现了众多铁质宇宙球粒。

So it is very necessary to use carbon isotope to study formation of the Precambrian Era especially Palaeoproterozoic.

因此采用碳同位素等稳定同位素进行前寒武尤其是古元古代及以前的研究非常必要。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。