全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Murat Hatipoğlu , Steven C. Chamberlain , Yaşar Kibici
来源:[J].Ore Geology Reviews(IF 2.417), 2013, Vol.54, pp.127-137Elsevier
摘要:Abstract(#br)Blue chalcedony nodules have been mined from the Sündikendağı deposit in the Mayıslar–Sarıcakaya (Eskişehir) region of north-central Turkey since ancient times; however, no modern geological study of this deposit has yet been published. Although ancient and...
作者:Murat Hatipoğlu , Ufuk Ören , Yaşar Kibici
来源:[J].Journal of African Earth Sciences(IF 1.229), 2011, Vol.61 (4), pp.273-285Elsevier
摘要:Abstract(#br)The commercial quantities of gem-quality dark green chrysoprase are found as the fracture fillings covered with a weathering crust in the silicified serpentinites throughout the border of a metamorphic zone in the Biga–Çanakkale region of Turkey. However, the gr...

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