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The acid mine drainage (AMD) impact of tailings and non-tailings on the ecosystem changes in the ModADA sedimentation area, Timika

Journal of Degraded and Mining Lands Management · Vol. 7 No. 2 (2020) · hlm. 2085–2094

DOI
10.15243/jdmlm.2020.072.2085
ISSN
2502-2458, 2339-076X
Terbit
2020-01-01
Penerbit
Brawijaya University
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-nc/4.0

Abstrak

Tailings are the parent material residues resulted from a separation process of valuable minerals containing copper, gold and silver. This separation process is carried out mechanically by destroying copper, gold and silver rocks on the Grasberg plateau. However, in the production process of tailing materials from Wanagon and Aghawagon rivers, there was also non-tailing material mixed with tailing materials. This condition cannot be avoided due to high and intensive rainfall so that non-tailing material from an ex-mine excavation in the form of overburden can flow naturally through the river flow system from the highlands to the lowlands of ModADA. Acid Mine Drainage (AMD) is one of the important impacts of mining activities that must be managed because it has an impact on the aquatic environment or groundwater, and once it has been formed it will be difficult to stop unless one of the components runs out. The study was carried out from 2005 to 2014 at several representative locations in ModADA included inactive tailings at MP 27 and MP 21, as well as active tailings at WA 225, WA 185, and WA 160. The average heavy metal content in WA 225, WA 185, WA 160 included in the criteria of class C, namely As (> 33 mg/kg), Cu (> 150 mg/kg), Pb (> 130 mg/kg), and Zn (> 460 mg/kg). Another heavy metal categorized as class B was Cd (1-5 mg/kg), while class A consisted of Cr ( 150 mg/kg) which is similar to the host rock mined and involved in the tailings flow from MP 74. The Cu concentration at MP 21 decreased drastically, except for As which included in class C (> 33 mg/kg). The ANC/MPA ratio at MP 21 was 1.92 (0-20 cm) and slightly increased to 2.22 (20-40 cm), while MP 21 has the ANC/MPA ratio at 12.61 (0- 20 cm), and decreased to 4.34 (20-40 cm).

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  • IPB University
  • Universitas Papua
  • Universitas Gadjah Mada
  • National Research and Innovation Agency
  • The University of Adelaide
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Rekan penulisOrganisasiArtikel bersama
Saraswati PrabawardaniUniversitas Papua2
Nouke Lenda MawikereUniversitas Papua2
Obadja Andris FenetirumaUniversitas Papua2
Dyah Tjahyandari SuryaningtyasIPB University2
Syaiful AnwarIPB University1
Heru Bagus PulunggonoIPB University1
Supiandi SabihamIPB University1
Erni MartaniUniversitas Gadjah Mada1
Maria MassoraUniversitas Gadjah Mada1
Eko SugihartoUniversitas Gadjah Mada1
Tumpal SinagaAfiliasi tidak diketahui1
Sudarsono SudarsonoIPB University1
Iskandar IskandarIPB University1
Edi YatnoNational Research and Innovation Agency1
Graham LyonsThe University of Adelaide1
Samsul FatoniUniversitas Papua1
Dudy Gilang WinataIPB University1
Fiona Djunita Natalia LuhulimaAfiliasi tidak diketahui1
Emillia Farida UbraUniversitas Papua1
IskandarAfiliasi tidak diketahui1
Untung SudadiIPB University1
Deno OkaliaIPB University1
Wahyu HidayatIPB University1

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Sumber metadata: OAI-PMH (metadata jurnal) http://jdmlm.ub.ac.id/index.php/jdmlm/oai, pertama di-harvest 9 Nov 2026, terakhir terlihat 9 Nov 2026.
Metadata asli (oai_dc) 
<oai_dc:dc xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/  http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
	<dc:title xml:lang="en-US">The acid mine drainage (AMD) impact of tailings and non-tailings on the ecosystem changes in the ModADA sedimentation area, Timika</dc:title>
	<dc:creator>Taberima, Sartji</dc:creator>
	<dc:creator>Junaedi, Edy</dc:creator>
	<dc:creator>Sarwom, Roberth</dc:creator>
	<dc:creator>Lindongi, Linda Ernawati</dc:creator>
	<dc:creator>Mulyanto, Budi</dc:creator>
	<dc:subject xml:lang="en-US">acid mine drainage</dc:subject>
	<dc:subject xml:lang="en-US">heavy metals</dc:subject>
	<dc:subject xml:lang="en-US">ModADA tailings</dc:subject>
	<dc:subject xml:lang="en-US">overburden</dc:subject>
	<dc:description xml:lang="en-US">Tailings are the parent material residues resulted from a separation process of valuable minerals containing copper, gold and silver. This separation process is carried out mechanically by destroying copper, gold and silver rocks on the Grasberg plateau. However, in the production process of tailing materials from Wanagon and Aghawagon rivers, there was also non-tailing material mixed with tailing materials. This condition cannot be avoided due to high and intensive rainfall so that non-tailing material from an ex-mine excavation in the form of overburden can flow naturally through the river flow system from the highlands to the lowlands of ModADA. Acid Mine Drainage (AMD) is one of the important impacts of mining activities that must be managed because it has an impact on the aquatic environment or groundwater, and once it has been formed it will be difficult to stop unless one of the components runs out. The study was carried out from 2005 to 2014 at several representative locations in ModADA included inactive tailings at MP 27 and MP 21, as well as active tailings at WA 225, WA 185, and WA 160. The average heavy metal content in WA 225, WA 185, WA 160 included in the criteria of class C, namely As (&amp;gt; 33 mg/kg), Cu (&amp;gt; 150 mg/kg), Pb (&amp;gt; 130 mg/kg), and Zn (&amp;gt; 460 mg/kg). Another heavy metal categorized as class B was Cd (1-5 mg/kg), while class A consisted of Cr (&amp;lt;43 mg/kg), Hg (&amp;lt;0.2 mg/kg), and Ni (&amp;lt;23 mg/kg). At WA 185, The ANC/MPA ratio at WA 185 &amp;lt; 1.5 was 0.97 (0-20 cm) and increased slightly to 1.59 (20-40 cm). The ANC/MPA ratio &amp;lt; 1.5 shows a higher acid-forming ability (MPA) than the ability to neutralize acid (ANC). The average heavy metal content in MP 27 is lower in concentration, except Cu which included in class C (&amp;gt; 150 mg/kg) which is similar to the host rock mined and involved in the tailings flow from MP 74. The Cu concentration at MP 21 decreased drastically, except for As which included in class C (&amp;gt; 33 mg/kg). The ANC/MPA ratio at MP 21 was 1.92 (0-20 cm) and slightly increased to 2.22 (20-40 cm), while MP 21 has the ANC/MPA ratio at 12.61 (0- 20 cm), and decreased to 4.34 (20-40 cm).</dc:description>
	<dc:publisher xml:lang="en-US">Brawijaya University</dc:publisher>
	<dc:date>2020-01-01</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://jdmlm.ub.ac.id/index.php/jdmlm/article/view/613</dc:identifier>
	<dc:identifier>10.15243/jdmlm.2020.072.2085</dc:identifier>
	<dc:source xml:lang="en-US">Journal of Degraded and Mining Lands Management; Vol. 7 No. 2 (2020); 2085-2094</dc:source>
	<dc:source>2502-2458</dc:source>
	<dc:source>2339-076X</dc:source>
	<dc:source>10.15243/jdmlm.2020.072</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://jdmlm.ub.ac.id/index.php/jdmlm/article/view/613/pdf</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2020 Journal of Degraded and Mining Lands Management</dc:rights>
	<dc:rights xml:lang="en-US">https://creativecommons.org/licenses/by-nc/4.0</dc:rights>
</oai_dc:dc>