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Mineralogical and Chemical Characteristics of Clay Areas, Gümüşhane Region (NE Turkey), and Their Detection Using the Crósta Technique with Landsat 7 and 8 Images
Natural Resources Research ( IF 5.4 ) Pub Date : 2021-07-06 , DOI: 10.1007/s11053-021-09912-7
Alaaddin Vural 1 , İbrahim Akpinar 1 , Ferkan Sipahi 1
Affiliation  

The clay areas in Gümüşhane (NE Turkey) were examined in mineralogical and geochemical terms, and by remote sensing methods. X-ray diffraction, scanning electron microscope and chemical analysis were completed on samples from 11 selected clay areas in the region. Within the scope of remote sensing, Landsat 7 and 8 satellite images of the region were processed with the Crósta technique to assess the clay areas. The Kale and Tamzı clays are contained within a Late Cretaceous turbiditic series. The clays in Canca, Refene and Çamlıca occur in intensively hydrothermally altered volcanic rocks of the Eocene Alibaba Formation. The other clay areas are in the Liassic Şenköy Formation consisting of a volcano-sedimentary series. The clays in the Şenköy Formation are generally below the coal levels. While mainly illite and lesser kaolinite were determined in Dörtkonak, Alemdar, Yukarı Kov and Çamlıca, the clays in Tahnis and Kabantaşı are smectite. Tekke, Canca and Refene clays are kaolinite with smaller amounts of illite, whereas Kale and Tamzı clays are mainly chlorite with lower content of illite–smectite interlayers. Illites in Dörtkonak, Alemdar, Yukarı Kov and Çamlıca are poor in iron and magnesium and formed by hydrothermal alteration of feldspars in the host rocks. Findings of the remote sensing studies using Landsat 7 and 8 datasets were compatible with the results obtained from field observations and general geological studies, and so it is concluded that the Crósta technique provided good results for exploration of clay occurrences and their determination in the region.



中文翻译:

Gümüşhane 地区(土耳其东北部)粘土区的矿物学和化学特征,以及使用 Crósta 技术和 Landsat 7 和 8 图像进行检测

Gümüşhane(土耳其东北部)的粘土地区通过矿物学和地球化学术语以及遥感方法进行了检查。对该地区 11 个选定粘土地区的样品进行了 X 射线衍射、扫描电子显微镜和化学分析。在遥感范围内,该地区的 Landsat 7 和 8 卫星图像使用 Crósta 技术进行处理,以评估粘土区域。Kale 和 Tamzı 粘土包含在晚白垩世浊积岩系列中。Canca、Refene 和Çamlıca 的粘土产于始新世阿里巴巴组的强烈热液蚀变火山岩中。其他粘土区位于 Liassic Şenköy 组,由火山沉积系列组成。Şenköy 组中的粘土通常低于煤层。虽然在 Dörtkonak、Alemdar、Yukarı Kov 和 Çamlıca 确定主要是伊利石和少量高岭石,但在 Tahnis 和 Kabantaşı 的粘土是绿土。Tekke、Canca 和 Refene 粘土是高岭石,含有少量伊利石,而 Kale 和 Tamzı 粘土主要是绿泥石,伊利石-蒙脱石夹层含量较低。Dörtkonak、Alemdar、Yukarı Kov 和Çamlıca 的伊利石缺乏铁和镁,由主岩中长石的热液蚀变形成。使用 Landsat 7 和 8 数据集的遥感研究结果与野外观测和一般地质研究的结果一致,因此可以得出结论,Crósta 技术为该地区粘土产状的勘探及其确定提供了良好的结果。Tahnis 和 Kabantaşı 的粘土是绿土。Tekke、Canca 和 Refene 粘土是高岭石,含有少量伊利石,而 Kale 和 Tamzı 粘土主要是绿泥石,伊利石-蒙脱石夹层含量较低。Dörtkonak、Alemdar、Yukarı Kov 和Çamlıca 的伊利石缺乏铁和镁,由主岩中长石的热液蚀变形成。使用 Landsat 7 和 8 数据集的遥感研究结果与野外观测和一般地质研究的结果一致,因此可以得出结论,Crósta 技术为该地区粘土产状的勘探及其确定提供了良好的结果。Tahnis 和 Kabantaşı 的粘土是绿土。Tekke、Canca 和 Refene 粘土是高岭石,含有少量伊利石,而 Kale 和 Tamzı 粘土主要是绿泥石,伊利石-蒙脱石夹层含量较低。Dörtkonak、Alemdar、Yukarı Kov 和Çamlıca 的伊利石缺乏铁和镁,由主岩中长石的热液蚀变形成。使用 Landsat 7 和 8 数据集的遥感研究结果与野外观测和一般地质研究的结果一致,因此可以得出结论,Crósta 技术为该地区粘土产状的勘探及其确定提供了良好的结果。而 Kale 和 Tamzı 粘土主要是绿泥石,伊利石-蒙脱石夹层含量较低。Dörtkonak、Alemdar、Yukarı Kov 和Çamlıca 的伊利石缺乏铁和镁,由主岩中长石的热液蚀变形成。使用 Landsat 7 和 8 数据集的遥感研究结果与野外观测和一般地质研究的结果一致,因此可以得出结论,Crósta 技术为该地区粘土产状的勘探及其确定提供了良好的结果。而 Kale 和 Tamzı 粘土主要是绿泥石,伊利石-蒙脱石夹层含量较低。Dörtkonak、Alemdar、Yukarı Kov 和Çamlıca 的伊利石缺乏铁和镁,由主岩中长石的热液蚀变形成。使用 Landsat 7 和 8 数据集的遥感研究结果与野外观测和一般地质研究的结果一致,因此可以得出结论,Crósta 技术为该地区粘土产状的勘探及其确定提供了良好的结果。

更新日期:2021-07-06
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