Yasir Shaheen Khalil

Deep Ensemble Learning and Mineralization-Based Data Augmentation for Mineral Prospectivity Mapping of Porphyry Copper in the Western Chagai Belt, Pakistan

Lujun Lin, Lei Liu, Hongrui Zhang, Yasir Shaheen Khalil et autres

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Delineation of new mineral prospects using ZY1-02D data in the Chitral Region, Hindukush, NW Pakistan

Nazir Ul Islam, Lei Liu, Zhenhua Guo, Yasir Shaheen Khalil et autres

• Utilized advanced hyperspectral remote sensing methods, including False Color Composite (FCC), Match Filtering (MF), Spectral Angle Mapper (SAM), and Spectral Index (SI) analysis on ZY1-02D data to detect alteration minerals in the Chitral Hindukush region. • Successfully identified key alteration minerals …

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Magmatic Evolution at the Saindak Cu-Au Deposit: Implications for the Formation of Giant Porphyry Deposits

Jun Hong, Yasir Shaheen Khalil, Asad Ali Narejo, Xiaoyong Yang et autres

The Chagai porphyry copper belt is a major component of the Tethyan metallogenic domain, which spans approximately 300 km and hosts several giant porphyry copper deposits. The tectonic setting, whether subduction-related or post-collisional, and the deep dynamic processes governing the formation of …

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Lithological Classification Using ZY1-02D Hyperspectral Data by Means of Machine Learning and Deep Learning Methods in the Kohat–Pothohar Plateau, Khyber Pakhtunkhwa, Pakistan

Waqar Ahmad, Lei Liu, Zhenhua Guo, Yasir Shaheen Khalil et autres

Lithological mapping using satellite images, particularly hyperspectral data, helps in effectively defining the best initial targets for regional exploration. In this study, ZY1-02D hyperspectral image (HSI) data with moderate spectral and very high spatial resolution were employed for lithological mapping using spectral …

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Mineralogical mapping and lithological discrimination by using ASTER remote sensing data in the Chitral region, Khyber Pakhtunkhwa, Northern Pakistan

Nazir Ul Islam, Qunjia Zhang, Weiwei Qiu, Lei Liu et autres

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DEDNet: Dual-Encoder DeeplabV3+ Network for Rock Glacier Recognition Based on Multispectral Remote Sensing Image

Lujun Lin, Lei Liu, Ming Liu, Qunjia Zhang et autres

Understanding the distribution of rock glaciers provides key information for investigating and recognizing the status and changes of the cryosphere environment. Deep learning algorithms and red–green–blue (RGB) bands from high-resolution satellite images have been extensively employed to map rock glaciers. However, the …

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A New Discovery of Mineralization as Subseafloor Hydrothermal Replacement in the Duddar Super-Large SEDEX Lead-Zinc Deposit in Pakistan

Huishan Zhang, Yanshuang Song, Jianing Sun, Jun Hong et autres

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DEDNet: Dual-Encoder DeeplabV3+ Network for Rock Glacier Recognition Based on Multispectral Remote Sensing Image

Lujun Lin, Lei Liu, Ming Liu, Qunjia Zhang et autres

Understanding the distribution of rock glaciers provides key information for investigating and recognizing the status and changes of the periglacial environment. Deep learning algorithms and red-green-blue (RGB) bands from high-resolution satellite images have been extensively employed to map rock glaciers. However, the …

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Source, distribution patterns and resources potential of selenium in soil of north Pakistan: Revealed by a national-scale geochemical mapping

Jing Zhang, Yasir Shaheen Khalil, Tianhu Li, Xueqiu Wang et autres

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Alteration Mapping for Porphyry Cu Targeting in the Western Chagai Belt, Pakistan, Using ZY1-02D Spaceborne Hyperspectral Data

Lei Liu, Chuntao Yin, Yasir Shaheen Khalil, Hong Jun et autres

Abstract The Chagai porphyry Cu belt in Pakistan is an important metallogenic terrain extending approximately 400 km in an east-west direction. Most of the known porphyry Cu deposits, such as the world-class Reko Diq deposit and Saindak deposit, are located in the …

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Mapping Ni-Cu-Platinum Group Element-Hosting, Small-Sized, Mafic-Ultramafic Rocks Using WorldView-3 Images and a Spatial-Spectral Transformer Deep Learning Method

Chuntao Yin, Yaqian Long, Yasir Shaheen Khalil, S. Ye

Abstract Mafic-ultramafic intrusive complexes possess a considerable capacity for hosting Ni-Cu-platinum group element (PGE) sulfide deposits. However, the mapping of small outcrops over large areas by field surveys is time-consuming. In this study, WorldView-3 (WV-3) data with moderate spectral and very high …

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Mapping Alteration Zones for Detection of Economic Minerals using Integrated Tools in District Lower Dir, Northwest Khyber Pakhtunkhwa, Pakistan

Nazir Ul Islam, Lei Liu, Yasir Shaheen Khalil, Said Mukhtar Ahmad et autres

The study area is the part of Lower Dir which is geographically situated in the NW of Khyber Pakhtunkhwaprovince, Pakistan. Geologically this area lies in the western part of the well-known Kohistan Island Arc. It representsthe best exposure to subduction-related island arc …

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