The research area is located at Batu Hijau Mine – PT Amman Mineral Nusa Tenggara, administratively located at the southwestern of Sumbawa, West Nusa Tenggara Province – Indonesia. The research area is controlled by tectonism in accordance to close with the active tectonic plate at southern part of this island. The presence of the active tectonic regime causes of the rich deposit of ore minerali...

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Batu Hijau mine is one of the mining areas in Indonesia that have been operated for 20 years. The main concentrate product contains primary minerals copper (Cu) and gold (Au). However, not only processing fresh mined ore but also store low-grade stockpile. Therefore, this study compares Cu recovery different stockpile on changes concentration dissolved tailings potentially contaminated environm...

Pengontrolan dan pengawasan kualitas merupakan hal penting dalam kegiatan proses produksi salah satunya yaitu pengendalian produk. Kegiatan produk bertujuan untuk menjaga kerusakan Pengendalian erat kaitannya dengan kepuasan konsumen. Namun, pada nyatanya tanaman selada hijau yang diproduksi oleh CV. Harvest Queen terjadi penurunan hijau. Sehingga penelitian ini dilakukan menganalisa hijau, men...

The Batu Hijau’s orebody is a world-class copper-gold porphyry owned by PT Amman Mineral Nusa Tenggara located in previously uninhabited forestland with sloping terrain southwest of Sumbawa Island. climatic condition influenced two distinct monsoon periods, namely the east which characterized low rainfall and humidity level extends from May through September, west monsoon, November March each y...

This study is the first report on the occurrence of Giardia and Cryptosporidium (oo)cysts in recreational rivers water from Malaysia. It was carried out in water samples at two rivers, 'Sungai Congkak' and 'Sungai Batu', located in Selangor State. The occurrence of both Giardia lamblia and Cryptosporidium parvum (oo)cysts was higher in Sungai Congkak (50% or 15/30 and 10% or 3/30 respectively) ...

Cyrtodactylus metropolis sp. nov. from Batu Caves massif, Selangor, Peninsular Malaysia is differentiated from all congeners by having a unique suite of morphological and color pattern characteristics. Remarkably, this species has been overlooked despite a plethora of field studies at Batu Caves from 1898 to the present and no specimens had ever been examined until now. As with all other limest...