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Granite magmatism in the tin belt of South East Asia

The relationship between tin ore deposits and granite magmatism '.Ihe tin belt of S.E. Asia, which is about 3500 km long end 400 to 800 km wide (Figure 1)1 is probably one of the best examples of a metallogenic ,E;:OVince. '.Ihe world's annutl tin production (about 2309000 tonnes) is currently valued at about 3 x 109 U.S. dollars and about.60% of this production comes from s.n. Asia; More dramatically it is estimated that this metallogenic province has yielded about three-quarters of the "'orld's total tin produ~tion during the present century. ost of the tin ore in S~E. Asia is mi_nid-from Quaternary plecers both onshore and offshore, and a steadily rising proportion of the annual production is from offshore dredging "operations in increasingly deep va te.r , For example,in 1978 about 35% of Indonesia's tin production was derived from offshore operations. It is anticipated that with the introduction of giant dredgers, designed to work in waters more than 30m deep, offshore operetions will account for about half of Indonesia's tin prod~tion by foe early 1980s

Ketersediaan
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Pusat Sumber Daya Mineral, Batubara dan Panas Bumi - Jln. Soekarno Hatta No. 444, Bandung, Jawa Barat PMB LU 1969 - 7
PMB LU19697
Tersedia
Informasi Detail
Judul Seri
-
No. Panggil
PMB LU 1969 - 7
Penerbit
Bandung : Direktorat Sumber Daya Mineral.,
Deskripsi Fisik
10 p . : ill. ; 21 cm
Bahasa
English
ISBN/ISSN
-
Klasifikasi
553.52 ALE g
Tipe Isi
-
Tipe Media
-
Tipe Pembawa
-
Edisi
-
Subjek
ore
Granites
magmatism
metallogenic
Asia
Info Detail Spesifik
-
Pernyataan Tanggungjawab
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