Result of ASM data collection (Mongolia) Dr. B.Tumenbayar*, J. - - PowerPoint PPT Presentation

result of asm data collection mongolia
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Result of ASM data collection (Mongolia) Dr. B.Tumenbayar*, J. - - PowerPoint PPT Presentation

CCOP-GSJ/AIST-GAI CASM-Asia Workshop on the State-of-the Art of Science and Technology to Protect the Environment and People Result of ASM data collection (Mongolia) Dr. B.Tumenbayar*, J. Uramgaa*, T. Maidar * BEMM/Sans Frontiere Progres


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SLIDE 1

CCOP-GSJ/AIST-GAI CASM-Asia Workshop on the State-of-the Art of Science and Technology to Protect the Environment and People

Result of ASM data collection (Mongolia)

  • Dr. B.Tumenbayar*, J. Uramgaa*, T. Maidar*

BEMM/Sans Frontiere Progres (NGO)

27-29 November 2006, Bandung, Indonesia

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SLIDE 2

ASM Survey covered

  • Province (Aimag )

14

  • Sub province (Soum)

37

  • ASM mining site (target material/element)

45

– Gold 34 – Coal 5 – Fluorite 4 – Mercury 1 – Tin 1

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SLIDE 3

Deposit types of artisanal miners

Gold a) Hard rock (Quartz-Vein) b) Placer (Alluvial, Prolluvial) Fluorspat Hard rock (Epithermal Vein) Coal Placer Tin Placer Mercury Placer (anthropogenic)

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SLIDE 4

Gold distribution and ASM location (2004)

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SLIDE 5

Geology and metallogenic province (gold)

By Tumenbayar B. Uramga J. on the basis of Tectonic Map of Mongolia (1990)

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SLIDE 6

ASM Mining technology

  • Hand digging (100%)

45

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SLIDE 7

ASM processing methods

  • Dry panning

4

  • Milling with mercury

17

  • Panning in the water

14

  • Cyanide

n/a

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SLIDE 8

ASM Refining technology

  • Hand separation

10

  • Hg amalgamation

17

  • Panning

18

  • Cyanide usage (keeping in secret)

n/a

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SLIDE 9

Milling quartz with Mercury

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SLIDE 10

ASM area environmental degradation /hazards

  • High

27/15

  • Middle

10/11

  • Low

8/19

ASM Health issues concerned

  • Very high

3

  • High

15

  • Middle

3

  • Low

23

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SLIDE 11

Social aspect

  • Number of artisamal miners covered

8966

  • Approximate ratio of child miners/worker

1/15

  • Approximate ratio of women miner/worker

1/8

Indigenous issues

  • Environment

9

  • Health, environment

36 45

Total

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SLIDE 12

7 years old boy is panning for gold.

Uyanga Soum in Ovorkhangai Aimag. Spring 2003.

(Photo: Tumenbayar.B) .

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SLIDE 13

Relationship between large mining company and ASM mining site

  • Very bad

5

  • Bad

9

  • Low

3

  • N/A (means mostly bad)

28

Total 45

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SLIDE 14

ASM hazards

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SLIDE 15

ASM health issues concerned

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SLIDE 16

Mercury pollution (2000)

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SLIDE 17

Environmental degradation of ASM site (2006)

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SLIDE 18

Үр удмаа хамгаалъя

Ìèíàìàòà õîò,ßïîí (1956) Сүмбэр, Монгол (2000)

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SLIDE 19

Thank you CASM Asia