<mets:mets xsi:schemaLocation="http://www.loc.gov/METS/ http://www.loc.gov/standards/mets/mets.xsd http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-3.xsd" OBJID="eprint_43723" LABEL="Eprints Item" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mets="http://www.loc.gov/METS/"><mets:metsHdr CREATEDATE="2026-06-11T02:36:54Z"><mets:agent TYPE="ORGANIZATION" ROLE="CUSTODIAN"><mets:name>Repository Universitas Negeri Padang</mets:name></mets:agent></mets:metsHdr><mets:dmdSec ID="DMD_eprint_43723_mods"><mets:mdWrap MDTYPE="MODS"><mets:xmlData><mods:titleInfo><mods:title>Estimasi Sumberdaya Bijih Timah dengan Menggunakan&#13;
Metode Ordinary Kriging di Laut Tempilang PT. Timah&#13;
(Persero)Tbk, Satuan Kerja Unit Laut Bangka, Bangka&#13;
Barat, Bangka Belitung</mods:title></mods:titleInfo><mods:name type="personal"><mods:namePart type="given">Septrijar</mods:namePart><mods:namePart type="family">Tasfi</mods:namePart><mods:role><mods:roleTerm type="text">author</mods:roleTerm></mods:role></mods:name><mods:abstract>PT. Timah (Persero)Tbk merupakan suatu perusahaan yang bergerak&#13;
dibidang penambangan bijih timah dan dalam melakukan estimasi sumberdaya&#13;
bijih timah PT. Timah (Persero)Tbk sudah melakukan secara komputerisasi yaitu&#13;
dengan menggunakan Metode Simple Reserve, hal ini disimulasikan dalam&#13;
perangkat lunak Micromine. Berdasarkan metode yang digunakan belum dapat&#13;
mengambarkan secara detail jumlah sumberdaya dengan blok-blok penambangan&#13;
yang tepat sesuai Cut Off Grade yang diharapkan.&#13;
Untuk mendapatkan gambaran secara detail jumlah sumberdaya dengan&#13;
blok-blok penambangan yang tepat sesuai Cut Off Grade yang diharapkan, maka&#13;
penulis mencoba menggunakan Metode Ordinary Kriging dalam melakukan&#13;
pengestimasian sumberdaya. Metode Ordinary Kriging disimulasikan dalam&#13;
Software tambang.&#13;
Perhitungan sumberdaya bijih timah pada Blok RK Luat Tempilang PT&#13;
Timah (Persero)Tbk menggunakan Metode Ordinary Kriging total sumberdaya&#13;
yang didapat sebanyak 15.720.982 ton sedangkan Metode Simple Reserve&#13;
diperoleh sebanyak 17.109.674 ton. Rincian total sumberdaya timah blok Laut&#13;
Tempilang dengan Density 7,3 ton/m3 yaitu sumberdaya total tonnase&#13;
15.721.788,75 ton. Hasil rincian diperoleh Low Grade 13.496.919 ton dengan&#13;
kadar rata-rata 0,070 Sn dan High Grade 2.224.053 ton dengan kadar 0,193 Sn.&#13;
Metode Simple Reserve diperoleh total sumberdaya timah blok Laut Tempilang&#13;
dengan Density 7,3 ton/m3 adalah 17.109.674 ton dengan kadar rata-rata 0,190 Sn.</mods:abstract><mods:classification authority="lcc">TN Mining engineering. Metallurgy</mods:classification><mods:originInfo><mods:dateIssued encoding="iso8601">2016-01</mods:dateIssued></mods:originInfo><mods:originInfo><mods:publisher>Universitas Negeri Padang;Teknik Pertambangan FT UNP</mods:publisher></mods:originInfo><mods:genre>Thesis</mods:genre></mets:xmlData></mets:mdWrap></mets:dmdSec><mets:amdSec ID="TMD_eprint_43723"><mets:rightsMD ID="rights_eprint_43723_mods"><mets:mdWrap MDTYPE="MODS"><mets:xmlData><mods:useAndReproduction>
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