KEPMEN Hukum dan HAM Nomor: AHU-16110.AH.01.01. Tahun 2009

OFFICE

Perum UII II/10 Prumpung, Kel. Sardonoharjo, Kec. Ngaglik, Kab. Sleman

Di Yogyakarta 55580, Indonesia

Phone : +62 274 4362517

CONTACT PERSON

Dr.rer.nat. Arifudin Idrus Advisor/owner Mobile : +62 81328141648

Email : arifidrus@gmail.com

Director : Fadlin Idrus, ST., M.Eng.

Manager : Indra Sanjaya, ST., M.Eng

COMPANY BACKGROUND

PT. Erde Ressourcen is a domestic consulting company founded in early 2009. This

company has main focus for high quality technical and statutory services in Indonesian

coal, ore and industrial minerals, especially for geological and mining consultancy as well

as exploration services. The services include cartography, geotechnics, hydrogeology,

environment, mineral exploration and mining sectors.

Company is managed by competent persons in project management, geological and

mining technical services. The management is fully supported by well experienced

technical team covering a wide range of related disciplines.

VISION AND MISSION

Vision

Company endeavors to become a geological and mining consultant company in

Indonesian, particularly for coal, ore, and industrial minerals with international quality

standard.

Mission

1. Promote good practices in exploration and mining.

2. Develop Indonesian human resources to have competency in mining industry.

3. Complete client's project works in compliance with time schedule and protect the

confidentiality of our clients' data.

4. Create a good relationship with clients, government, society and environment.

TECHNICAL TEAM

PT. Erde Ressourcen enthuses to contribute for geology, exploration and mining industry

by preparing a technical team to perform project works that entrusted to us.

Our expert consultants and team have skills in exploration management, economic

geology and reserves evaluation, mine planning and design, mining evaluation, geology,

environmental assessment, and various other consulting services related to geology

exploration and mining industry.

PT. Erde Ressourcen is fully supported by professionals and well experienced experts

as follows:

1. Dr.-rer.nat. Arifudin Idrus (specializes in economic geology, mineral exploration,

feasibility study (FS) and Environmental Impact Assessment (AMDAL)

2. Dr. Ir. Barlian Dwinagara, MT. (specializes in geotechnics, mining design, feasibility

study, Environmental Impact Assessment/ AMDAL)

3. Agus Hendratno, MT. (specializes in petrography, industrial mineral, environmental

geology and Environmental Impact Assessment/ AMDAL)

4. Dr. Ir. Waterman Sulistyana, MT. (specializes in coal exploration, drilling,

geostatistics/kriging and reserves estimation, mineral and coal feasibility study, and

mine design).

5. Dr.-rer.nat. Ir. I Wayan Warmada (specializes in petrology, GIS and geochemistry)

6. Ir. Saptono Budi Samodra, MT. (specializes in geophysical exploration for ground

water, mineral and coal)

7. Ir. Wahyu Sasongko, MT. (specializes in coal geology and mine optimization).

8. Fadlin, ST., M.Eng. (senior geologist)

9. Indra Sanjaya, ST., M.Eng. (senior geologist)

In addition, the experts above are supported by many competent geologists, who are

always ready conducting field survey, data processing and reporting both in Bahasa and

English. We are working in a team, on schedule, professional and based on target.

SCOPE OF SERVICES

1. Topographic survey

2. Providing and Interpretation of Satellite Image

3. Reconnaissance and Exploration of Coal and Mineral Deposit

4. Geological Mapping for Mineral Deposits and Coal (from regional to local scale),

Sampling and Interpretation

5. Geological and mineral resources survey

6. Geochemical Survey

7. Geophysical Survey

8. Drilling

9. Geological Modeling

a) Geostatistics/krigging

b) Reserves Estimation

10. Evaluation and Interpretation of Geological, Geochemical, Geophysical and Drilling

Data

11. Feasibility Study for Coal and Minerals

12. Environment Impact Assessment/AMDAL

13. Optimization and Mine Plan

a) Mine Design

b) Mine Scheduling

c) Mine Transportation

d) Mine Closure

e) Reclamation

14. Geotechnical Analysis (Open Pit Mining and Underground Mining).

15. Hydrogeology Study

16. Land Use and Development

17. Giving Training and Short Course on:

a) Geological Mapping

b) Exploration of Coal and Mineral Deposit Exploration

c) Geophysical Survey

d) Geostatistics/krigging

e) Reserves Estimation

f) Feasibility Study

g) Mineral Economics

h) Geotechnics

i) Hydrogeology

j) Environmental Assessment in Mining

k) Other related topics as requested.

SOME PROJECT EXPERIENCES A. Environmental Impact Assessment (AMDAL) and relates

Projects Period

1. Penyusunan Dokumen AMDAL Rencana Tambang Bijih Besi dan Mineral Pengikutnya Daerah Bunga (Desa Tambun) dan sekitarnya Kecamatan Baolan, Kabupaten Tolitoli; Pemrakarsa: PT. Global Akses Sinergi

2008

2. Penyusunan Dokumen AMDAL Rencana Tambang Bijih Besi dan Mineral Pengikutnya Daerah Abaling (Desa Pulias) dan sekitarnya Kecamatan Ogodeide, Kabupaten Tolitoli, Sulawesi Tengah ; Pemrakarsa : PT.MBH Multi Resource (PT. MBH-MR).

2008

3. Penyusunan Dokumen AMDAL Rencana Tambang Molibdenum dan Mineral Pengikutnya Daerah Bulumining (Desa Bangkir-Soni) dan sekitarnya Kecamatan Dampal Selatan, Kabupaten Tolitoli, Sulawesi Tengah; Pemrakarsa: PT. Ina Abacus Mining

2008

4. Penyusunan Dokumen AMDAL Rencana Tambang Molibdenum dan Mineral Pengikutnya Daerah Koni (Desa Tompoh) dan sekitarnya Kecamatan Dampal Utara, Kabupaten Tolitoli, Sulawesi Tengah. Pemrakarsa: PT. Sulteng Mineral Harvest

2008/2009

5. Penyusunan Dokumen AMDAL Rencana Tambang Molibdenum dan Mineral Pengikutnya Daerah Mimbala dan sekitarnya, Kecamatan Dampal Selatan, Kabupaten Tolitoli, Sulawesi Tengah; Pemrakarsa: PT. Abacus Minerals Harvester

2008/2009

6. Penyusunan Dokumen AMDAL Rencana Tambang Bijih Besi dan Mineral Pengikutnya Daerah Dongko dan sekitarnya Kecamatan Dampal Utara, Kabupaten Tolitoli, Sulawesi Tengah; Pemrakarsa: PT. San Abacus Mineral

2008/2009

7. Penyusunan Standar Baku Mutu Air Limbah Penambangan Pasirbesi dan Bijih besi oleh Kantor Kementerian Lingkungan Hidup, Jakarta

2009

8. Studi banding mengenai Proses Penambangan dan Dampak Lingkungan pada Kegiatan Penambangan Pasirbesi di daerah Kulonprogo, DIY

2009

9. Penyusunan Dokumen AMDAL Penambangan Pasirbesi di Daerah Doropeti, Kec. Pekat, Kab. Dompu-NTB; Pemrakarsa: CV. Timur Raya Mas

2009/2010

10. Penyusunan Dokumen AMDAL Jalan Raya Tamiang, Kab. Aceh Tamiang, NAD Pemrakarsa: Dinas PU, NAD

2010-2012

11. Penyusunan Dokumen AMDAL Penambangan Emas Aluvial di Daerah Nangah Pinoh, Kab. Melawi, Propinsi Kalimantan Barat Pemrakarsa: PT. Segoro Global Mandiri

2010

12. Penyusunan Dokumen UKL UPL Akuisisi Seismik 2D di Kendal, Jawa Tengah (PT. Kendal Oil-Pertamina)

2011

13. Penyusunan Dokumen AMDAL Penambangan batubara PT. Nunukan Bara Sukses, Kab. Nunukan, Kalimantan Timur

2011

14. Penyusunan Dokumen Evaluasi Lingkungan Hidup (DELH) penambangan emas letakan (placer) di daerah aliran sungai Batang Hari, Kec. Sangir Batang Hari, Kab. Solok Selatan, Sumatra Barat (PT. Geominex Sapek dan PT. Geominex Solok Selatan)

2011

15. Workshop ’Pengelolaan Lingkungan pada Usaha Pertambangan’ untuk staf ESDM dan Badan Lingkungan Hidup se-DIY diselenggarakan oleh BLH DIY

12 Oktober 2011

16. Anggota Tim Teknis Komisi Penilai AMDAL Penambangan bahan baku semen dan pembangunan Pabrik Semen di Kabupaten Pati, Jawa Tengah

2012-sekarang/on

going 17. Penyusunan Dokumen AMDAL Penambangan Pasirbesi di Doropeti,

Kec. Pekat, Kab. Dompu, NTB (PT. Timur Raya Mas) 2012-2013

B. Exploration, Feasibility Study & Mining Projects (2009-present)

Project Periode

1. Studi kelayakan (FS) Tambang Pb-Zn-Ag dan Fe tipe skarn di Ruwai, Kab. Lamandau, Propinsi Kalimantan Tengah

2009 (Didanai oleh: PT. Kapuas Prima

Coal) 2. Studi kelayakan (FS) dan analisis mengenai dampak lingkungan

(AMDAL) pada tambang molibden dan mineral ikutannya di Kabupaten Toli-Toli, Sulawesi Tengah

2008-2009 (Didanai oleh: PT.

Global Akses Sinergi Group Inc.)

3. Eksplorasi endapan mangan di Kabupaten So’E, Propinsi Nusa Tenggara Timur

2009 (Didanai PT. Kanaan

Resources) 4. Eksplorasi awal endapan batubara, Kabupaten Tebo, Propinsi

Jambi 2009 (Didanai PT.

Jambi Utama)

5. Studi kelayakan (FS) tambang emas epitermal di Kabupaten Minahasa Selatan dan Minahasa Tenggara, Propinsi Sulawesi Utara

2009 (Didanai: PT. Sumber Energy

Jaya) 6. Eksplorasi detail endapan pasirbesi di Kabupaten Dompu,

Propinsi NTB 2009 (Didanai PT. Timur Raya Emas)

7. Endapan emas primer orogenik sebagai sumber emas plaser di Bombana, Sulawesi Tenggara

2010 (Didanai Dikti Depdiknas

8. Geologi dan potensi endapan kromit tipe Podiform di Kabupaten Barru, Sulawesi Selatan

2010 (Didanai OeAD Austria)

9. Studi kelayakan penambangan emas alluvial di Nangah Pinoh, Kab. Melawi, Propinsi Kalimantan Barat

2010 (Didanai PT. Segoro Global

Mandiri 10. Eksplorasi umum endapan emas epitermal di daerah Kao,

Kabupaten Halmahera Utara 2010 (didanai PT.

Asindo Setia Tama)

11. Penelitian dan eksplorasi nikel laterit di beberapa lokasi di Sulawesi Tenggara terutama Konawe Utara dan Morowali

2007-sekarang (didanai beberapa

perusahaan) 12. Konsultan ahli Perusda Kab. Kolaka, Sul-Tengg. Untuk

pelelangan IUP nikel laterit 2011

13. Evaluasi singkat potensi endapan emas orogenik di Bombana, Sulawesi Tenggara

2011 (PT. Indo Muro Kencana, Straits Group,

Australia) 14. Studi Kelayakan (FS) penambangan emas tipe Carlin di Yance-

Leon Hills, Ratatotok district, Minahara Tenggara, Sulawesi Utara

2011 (PT. Sumber Energi Jaya)

15. Eksplorasi pengembangan pasirbesi di Tambora, Kab. Dompu-NTB

2011 (PT. Timur Raya Mas)

16. Studi kelayakan (FS) penambangan bijih besi di Ruwai district, Kab. Lamandau, Kalimantan Tengah

2011 (PT. APN)

17. Studi kelayakan (FS) penambangan emas epitermal di Elang prospect, Kalimantan Barat

2011 (PT. Elang Lamandau Mining)

18. Studi kelayakan (FS) penambangan bijih besi di Bukit Ombangan, Kec. Belantikan Raya, Kab. Lamandau

2011 (PT. Megah Prima Semesta)

19. PT. Indo Muro Kencana (Straits Group, Australia) (Contract No.: MTM-SV-112-11)

2011-2012

20. Survei/eksplorasi pendahuluan endapan emas epitermal, Kec. Bastem, Kab. Luwu, Sulawesi Selatan

2011 (PT. Emitraco Resources)

21. BLEG (Bulk Leach Extractable Gold) Stream Sediment Geochemistry di Halmahera Utara, Maluku Utara

2011(PT. Asindo Setiatama)

22. Survei pendahuluan endapan silika (kuarsa) untuk industri optik, Cihike, Garut, Jawa Barat

2011 (PT. Sampoerna Strategic)

23. Survei (prospeksi) endapan emas-(cerium) tipe hidrotermal di Lampung Tengah, Prov. Lampung

2011 (PT. Tiuh Mas)

24. Pendataan IUP endapan pasirbesi di wilayah pesisir selatan Pulau Jawa

2012 (PT. Sampoerna Strategic)

25. Due diligence and prospect assessment untuk beberapa strategic projects di Indonesia pada Group Perusahaan: Paniai Gold Ltd, Australia (Contact person: Barry Smith, Director)

2011-sekarang (Paniai Gold

Limited)

26. Survei/eksplorasi pendahuluan endapan emas primer dan stream sediment survey pada IUP Eksplorasi PT. Trio Kencana, Kab. Parigi Muotong, Sulawesi Tengah

2012

27. Survei/eksplorasi semi-detail dan survey IP (Induced Polarization) endapan emas hidrotermal di Muara Bungo, Provinsi Jambi (PT. Vitropony Power Energy) Jakarta

2012

28. Studi Kelayakan (FS) Penambangan Pasirbesi di Doropeti (18.720 ha), Kec. Pekat, Kab. Dompu, NTB

2012

29. Mineralisasi Emas di Gunung Gupit dan sekitarnya, Kecamatan Salaman, Kabupaten Magelang: Penemuan baru endapan hidrotermal tipe epitermal sulfidasi tinggi

2012- (Hibah Masyarakat FT-

UGM) 30. Survei/eksplorasi semi-detail dan geokimia tanah (soil

geochemistry) endapan emas hidrotermal di Muara Bungo, Provinsi Jambi (PT. Vitropony Power Energy) Jakarta

2012

31. Pemetaan mineralisasi emas hidrotermal di Gorontalo (PT. Tansri Madjid Energy dan PT. Alam Jaya Energy) Jakarta

2012

32. Penyusunan dokumen Amdal penambangan pasirbesi di Kec. Pekat, Kab. Dompu, NTB

2012-2013

33. Eksplorasi pendahuluan batubara di daerah Long Merah, Kec. Long Bagun, Kab. Kutai Barat, Prov. Kalimanta Timur (PT. Kubara Bumi Lestari)

2013 (selesai)

34. Eksplorasi detail emas placer di Kutai Barat (PT. Nugraha Kencana Mining)

2013 (selesai)

35. Eksplorasi pendahuluan endapan bauksit di Kec. Simpang Dua dan Sungai Laur, Kab. Ketapang, Kalimantan Barat (IUP PT. Coalindex Indonesia)

2013 (selesai)

36. Pemetaan geologi dan alterasi hidrotermal pada daerah prospek panas bumi di Gm. Geureudong, Kab. Bener Meriah, Pemerintah Aceh (PT. Chevron geothermal)

2013-ongoing