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- primary vein Gold 原生脉金
- The various mineralized types of main vein gold deposits in China are cited. 列举我国主要岩金矿床各种矿化类型实例。
- To the vein gold deposit of Penglai regions,authors sum up the features of ore control structure and the ore-control regularity. 对蓬莱地区脉状金矿床,总结了挖矿特征及控矿规律。
- Based on previous research results and the author's work in recent years,an analysis on the geological characteristics of Zigui Yueliangbao quartz vein gold deposit in Hubei province was carried out. 基于前人大量研究成果及笔者的工作,对湖北秭归月亮包石英脉型金矿床地质特征进行了分析研究,并结合黄陵背斜成矿带地质背景,探讨了月亮包金矿矿床成因。
- Calyx 4-8 mm, apex of upper side lobed, primary veins 2, reaching lobe apex. 花萼4-8毫米,浅裂的上面边的先端,主脉2,到达裂片先端。
- Calyx membranous, transparent, apex of upper side shallowly lobed, margin praemorse, primary veins 2, not toothlike. 花萼膜质,透明,上面侧面的浅裂,齿蚀状的边缘的先端,主脉2,并非齿状。
- The skarn-type and quartz veins gold deposits occur in the Permian strata,while the altered cataclastic breccias type gold deposits are p... 矽卡岩型和石英脉型金矿赋存于二叠系中,破碎蚀变岩型金矿赋存于三叠系中。
- The skarn-type and quartz veins gold deposits occur in the Permian strata, while the altered cataclastic breccias type gold deposits are present in the Triassic strata. 矽卡岩型和石英脉型金矿赋存于二叠系中,破碎蚀变岩型金矿赋存于三叠系中。
- Keywords Quartzite vein gold deposit;Geological characteristics;Primary halo;Axial zoning;Mineralization prediction;Honghuagou gold deposit; 石英脉型金矿床;地质特征;原生晕;轴向分带;成矿预测;红花沟金矿;
- Vegetative branches with 2-4 leaves; sheath 2-10 cm long, margin membranous, auricle obtuse; leaf blade 5-35 cm long, 1-2 mm wide, apex obtuse or slightly emarginated; primary veins 3, parallel. 营养枝具叶2-4枚;叶鞘长2-10厘米,边缘膜质,叶耳钝圆;叶片长5-35厘米,宽1-2毫米,先端钝或微凹;初级脉3条,平行。
- Keywords basic dykes;vein gold deposis;xiaoqinling area; 基性脉岩;脉状金矿床;小秦岭地区;
- Vegetative branches with 24 leaves; sheath 210 cm long, margin membranous, auricle obtuse; leaf blade 535 cm long, 12 mm wide, apex obtuse or slightly emarginated; primary veins 3, parallel. 营养枝具叶24枚;叶鞘长210厘米,边缘膜质,叶耳钝圆;叶片长535厘米,宽12毫米,先端钝或微凹;初级脉3条,平行。
- Keywords electro-magnetic wave geotomography quartz vein gold deposit; 电磁波;层析成像;石英脉;金矿;
- The disease is still in its primary stage. 这疾病仍然在初发阶段。
- The little boy left primary school at eleven. 这个小男孩十一岁时小学毕业。
- Sure. We are friends since primary school. 当然,我们从小学就是朋友了。
- I started primary school when I was 5 years old. 我五岁时开始读小学。
- A primary cause of Tom's failure is his laziness. 懒惰是汤姆失败的主要原因之一。
- Primary school teachers use a lot of visual aids. 小学教师使用大量的视觉教具。
- Love and hatred are primary emotions. 爱和恨是基本的情感。