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Mawchi Mine

Producer in Burma with commodities Tungsten, Tin
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Host and associated rocks
  7. Nearby scientific data
  8. Geologic structures
  9. Economic information about the deposit and operations
  10. Mining district
  11. Ownership information
  12. Production statistics
  13. Reserves and resources
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10021637
MRDS ID DE00318
Record type Site
Current site name Mawchi Mine

Geographic coordinates

Geographic coordinates: 97.15822, 18.82473 (WGS84)

Site location context

Political divisions (FIPS codes)

Burma(country)

Geographic areas

Country
Burma

Comments on the location information

  • 16 MILES FROM PAZAUNG (TAUNGOO ?) ON SALWEEN RIVER: 216 MILES FROM PORT OF MOULMEIN. 3000-4000 FT. ABOVE SEA LEVEL.

Commodities

Commodity Importance
Tungsten Critical Primary
Tin Critical Primary

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Rock unit name Mawchi Series
    Rock description Mawchi Series
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) 97.15822, 18.82473
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Contact Zone Of Cretaceous Granite

Comments on the geologic information

  • PRINCIPLE MINERAL ASSEMBLAGES: QRTZ + CSTR + WLFM + SCLT + ARPR + PYRT + CLCP + GLEN + TRML. QUARTZ VEINS UP TO 1.2 M THICK OCCUR IN APICAL PORTION OF TOURMALINIZED GRANITE AND ASSOCIATED COUNTRY ROCKS (COX ET AL AND CHHIBBER, 1934)

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No
Year of first production 1910

Mining district

District name Tenesserim Division (North)

Ownership information

  • Type Owner-Operator
    Owner No. 2 Mining Corp.

Production statistics

  • Year 1941
    Period 1930-1941
    Material CON SN/W
    Accuracy Accurate
    Description Cp_Grade: ^44% W Con, 69.27% Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Tungsten Tungsten 44wt-pct
  • Year 1949
    Period 1948-1949
    Material CON SN/W
    Accuracy Accurate
    Description Cp_Grade: ^45% W Con, 70.0 % Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Tungsten Tungsten 45wt-pct

Comments on the production information

  • ANNUAL: FROM ORE GRADING SOME 1.54% SN AND 0.75% WO3. CUMM ITEM 1:THE MILL PRODUCT IN 1936 AVERAGED 56% OF TIN CONCENTRATES AND 44% OF TUNGSTEN CONCENTRATES. THE TUNGSTEN CONCENTRATES ANALYZED 69.27% WO3; 13.3% MNO; 11.7% FEO; 2.0% SIO2; 2.1% AL2O3; 0.8% SNO2; 0.03% CUO; 0.14% AS2O3; TRACES OF P, B AND TI (HESS,F.L., 1937, P. 610).

Reserves and resources

  • Type In-situ
    Estimate year 1970
    Total resources 831000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Tungsten Wo3 0.52 wt-pct Tungsten Major 1970
    Tin SnO2 0.9 wt-pct Tin Major 1970

Comments on the reserve resource information

  • MINEABLE RESERVES 1970. A MAJOR ZONE REPORTED TO HAVE BEEN MINED OUT (ANSTETT ET AL). AS OF MARCH 31, 1949, RESERVES WERE REPORTED TO BE 776,500 TONS OF 2.27% SN + W (MINING YEAR BOOK 1951, P. 265).

Comments on development

  • NON-GEOLOGIC CONSTRAINTS ON DEVELOPMENT OR EXPANSION IN 1-5 YRS.: PLANT EFFECTIVELY DESTROYED BY JAPANESE IN WORLD WAR II, HAS NOT REOPENED ON A SCALE COMPARABLE TO OPERATIONS IN 1930S (ANSTETT ET AL). ACTIVE EXPLORATION IN DISTRICT: APPARENTLY LITTLE SINCE WORLD WAR II (ANSTETT ET AL).

Reference information

Bibliographic references

  • Deposit

    COX R., GASKELL, J.L., AND THOMAS, C.M., 1981, BURMA: A COUNTRY WITH MAJOR UNEXPLORED MINERAL POTENTIAL, IN ASIAN MINING '81, LONDON, INSTITUTION OF MINING AND METALLURGY, P. 35-45.

  • Deposit

    ROSKILL INFORMATION SERVICES LTD., 1977, TUNGSTEN: THIRD EDITION LONDON, ROSKILL INFORMATION SERVICES (IRELAND) LTD., P. 126-127.

  • Deposit

    BUNDESANSTALT FUR GEOWISSENSCHAFTEN UND ROHSTOFFE, HANNOVER, 1977, UNTERSUCHUNGEN UBER ANGEBOT UND NACHFRAGE MINERALISCHER ROHSTROFFE: IX WOLFRAM, P. 1-23.

  • Deposit

    GRIFFITH, S.V., 1956, TIN AND WOLFRAM IN BURMA, THE MINING MAGAZINE, VOL. 95, NO. 4, P. 212-215.

  • Deposit

    BENDER, F., 1983, GEOLOGY OF BURMA, BERLIN, GEBRUDER BORNTRAEGER, P. 192.

  • Deposit

    CHHIBBER, H.L., 1934, THE MINERAL RESOURCES OF BURMA, LONDON, MACMILLAN AND CO., LTD., 320 P.

  • Deposit

    ANSTETT, T.F., BLEIWAS, D.I., AND HURDELBRINK, R.J., TUNGSEN AVAILABILITY - MARKET ECONOMY COUNTRIES, U.S. BUREAU OF MINES, INFORMATION CIRCULAR 9025, P. 15.

  • Deposit

    CHADWICK, J.R., 1982, BURMA - HIGH LEVELS OF UNREALIZED MINERAL POTENTIAL, WORLD MINING, VOL. 35, NO. 5, MAY 1982, P.52.

  • Deposit

    DUNN, J.A., 1938, TIN-TUNGSTEN MINERALIZATION AT MAWCHI, KARENNI STATES, BURMA, RECORDS OF THE GEOLOGICAL SURVEY OF INDIA, VOL. 73, PART 2, P. 209-237.

  • Deposit

    HESS, F.L., 1937, ARTICLE IN MINING JOURNAL, JULY 10, 1937, QUOTED IN FINK, C.G., TUNGSTEN, IN ROUSH, G.A., (ED.), 1938, THE MINERAL INDUSTRY DURING 1937, P. 610.

  • Production

    ANNUAL: BENDER, 1983. CUMM: "MAWCHI MINES LTD." IN SKINNER'S MINING YEAR BOOK, 1930-1951.

General comments

Subject category Comment text
Deposit First Production Year: 1910 (CONCESSION GRANTED)

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1985 Pasitschniak, Anna Geological Survey of Canada

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

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