Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Andy Yahya Al Hakim"'
Autor:
Abrar Muslim, null Abubakar, Pocut Nurul Alam, Husni Usman, Gusti Randa, Agus Haris Widayat, Andy Yahya Al Hakim, Tony Hadibarata
Publikováno v:
Materials Today: Proceedings. 63:S400-S405
Autor:
Andy Yahya Al Hakim, Irwan Iskandar, Cipto Purnandi Septianto, Rusmawan Suwarman, Andi Fajrin, Tiara Andrianie Putri
Publikováno v:
Geochemistry. 83:125921
Autor:
Mulyono Dwiantoro, Teti Indriati, Agus Haris Widayat, Mirza Dian Rifaldi, Miqdam Furqany, Komang Anggayana, Andy Yahya Al Hakim
Publikováno v:
Indonesian Journal on Geoscience. 9
The occurrence and genesis of silicified coals in Tanjung Redeb, Embalut, and Loa Kulu have been described and reconstructed by means of petrography and geochemistry. The silicified coals are black, hard, and contain dispersed fine-grained silica min
Publikováno v:
Ore Geology Reviews. 97:88-108
The gold deposits within the Latimojong Metamorphic Complex of Sulawesi, Indonesia, including Awak Mas and Salu Bulo, are estimated to host 50 tonnes Au with an average grade of 1.41 g/t. They are located within the metamorphic basement consisting of
Publikováno v:
Jurnal GEOSAPTA. 7:125
Seiring berkembangnya teknologi, kebutuhan akan logam tanah jarang (rare earth element -REE) semakin meningkat, dan oleh karena itu kegiatan eksplorasi REE menjadi meningkat. Penelitian ini bertujuan untuk mengidentifikasi REE tipe ion adsorption pad
Publikováno v:
Jurnal GEOSAPTA. 7:7
Pluton granit di daerah Bangka Belitung merupakan sumber penghasil timah terbesar di Indonesia. Selain mineral timah dalam bentuk kasiterit, batuan ini juga menghasilkan mineral ikutan timah (MIT) termasuk mineral pembawa Rare Earth Elements (REE) se
Autor:
Andy Yahya Al Hakim, Arie Naftali Hawu Hede, Agus Haris Widayat, Komang Anggayana, M. Nur Heriawan, Syafrizal
Publikováno v:
Procedia Earth and Planetary Science. 6:91-96
Sixteen oil shale samples have been studied by means of organic petrology and pyrolysis. The samples were taken from Brown Shale and Sangkarewang Formations which were deposited in the Kiliran and Ombilin Basins, respectively, during Late Eocene syn-