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Kropfmuehl

Producer in Bayern [Bavaria], Germany with commodity Graphite
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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. Economic information about the deposit and operations
  9. Ownership information
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10024375
MRDS ID ISM0087
Record type Site
Current site name Kropfmuehl
Alternate or previous names Passau, Hauzenberg, Kropfmuehl-Pfaffenreuth

Geographic coordinates

Geographic coordinates: 13.65852, 48.62233 (WGS84)
Elevation 480
Relative position ERHARD-SHAFT, 30 M

Site location context

Political divisions (FIPS codes)

Bayern [Bavaria](province)

Germany(country)

Europe(continent)

Land(continent)

Geographic areas

Country State
Germany Bayern [Bavaria]

Comments on the location information

  • COORDINATES OF CESKY KRUMLOV. SEVERAL GRAPHITE DEPOSITS IN THE AREA: MESTSKY-VRCH-DEPOSITS: 48 DEG 53'N; 14 DEG 23'E. 48 DEG 51'N; 14 DEG 15'E. 48 DEG 49'N; 14 DEG 14'E. 48 DEG 50'N; 14 DEG 20'E. VYSSI BROD: 48 DEG 37'N; 14 DEG 22'E. DOMORADICE-DEPOSITS: 48 DEG 47'N; 14 DEG 16'E. 48 DEG 47'N; 14 DEG 19'E. 48 DEG 45'N; 14 DEG 06'E. 48 DEG 45'N; 14 DEG 09'E. 48 DEG 43'N; 14 DEG 10'E.
  • KROPFMUEHL, SMALL VILLAGE ABOUT 7 KM SOUTHEAST OF HAUZENBERG, 20 KM EAST OF PASSAU. DRAINAGE AREA: ERLAU CREEK RUNNING TO DANUBE. TOTAL AREA WHERE GRAPHITE MINERALIZATIONS HAVE BEEN IDENTIFIED IS ABOUT 100 KM2

Commodities

Commodity Importance
Graphite Critical Primary

Comments on the commodity information

  • GRAPHITE, CRYSTALLINE
  • GRAPHITE

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Marble
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Varied Series;Varied Series;Varied Series
    Rock description Varied Series;Varied Series;Varied Series

Nearby scientific data

(1) 13.65852, 48.62233
ListMap

Economic information

Comments on the geologic information

  • ; GRAPHITE, QUARTZ, K-FELDSPAR, PLAGIOCLASE, MICAS; MINOR: PYRITE, APATITE RUTILE, ZIRCONE; WEATHERING: NONTRONITE; GRAPHITE-SEQUENCES BELONG TO THE VARIED GROUP OF THE MOLDANUBICUM
  • GRANITE INTRUSION; 335-318 MY; GRAPHITE, QUARTZ, OPALE, PLAGIOCLASE, AMPHIBOLE, CORDIERITE, GARNET, NONTRONITE, BIOTITE, SULFIDES SUCH AS PYROTITE, PYRITE, MARCASITE, MINOR CHALCOPYRITE, TRACES OF SPHALERITE AND GALENA; MOLDANUBIAN METASEDIMENT SEQUENCE (AGE OF SEDIMENTATION ESTIMATED RADIOMETRIC DATA IS 550 MY) IS DIVIDED IN A LOWER PELITIC "MONOTONOUS" SERIES AND AN UPPER "VARIED" SERIES (KROPFMUEHL SERIES). VARIED SERIES CONSISTS OF BIOTITE-PLAGIOCLASE GNEISSES, CALCSILICATE ROCKS, MARBLES (OFTEN GRAPHITIC), GRAPHITE SCHISTS, GRAPHITE QUARTZITE, PARAAMPHIBOLITES, ORTHOAMPHIBOLITES. ROCKS HAVE BEEN METAMORPHOSED (KATAZONE) AND IN PARTS MIGMATIZED. POSTMETAMORPHIC INTRUSION OF GRANITES (HAUZENBERG-PLUTONE)

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Significant No
Year of last production 1984

Ownership information

  • Type Owner-Operator
    Owner Graphitwerk Kropfmuehl Ag

Comments on the reserve resource information

  • R1E RESOURCES ARE SUFFICIENT FOR SEVERAL DECADES OF PRODUCTION. DETAILED FIGURES ARE COMPANY PROPRIETARY.1984 ESTIMATE

Comments on development

  • NON-GEOLOGIC CONSTRAINTS ON DEVELOPMENT OR EXPANSION IN 1-5 YRS. (). MAIN PLANT FOR BENEFICIATION OF SOUTH BOHEMIAN GRAPHITE ORES IS AT NETOLICE (49 DEG 03'N; 14 DEG 12'E) HIGH PURITY CONCENTRATES ARE PRODUCED AT TYN-NAD-VLATAVOU SINCE ABOUT 1966. NETOLICE PLANT: ORES CONTAINING 15-17 % FC ARE GROUND, FLOTATED; PRODUCTS AFTER 4 STAGE FLOTATION CONTAIN 80-90 % FC DEPENDING ON CRYSTEL SIZE OF GRAPHITE. PLANT-RECOVERY RATE IS ABOUT 70 %. MINING RECOVERY RATE 75-80 % DILUTION (UNDERGROUND MINING) 5-10 % ESTIM. TOTAL RECOVERY: 56 %
  • NON-GEOLOGIC CONSTRAINTS ON DEVELOPMENT OR EXPANSION IN 1-5 YRS. (). DEVELOPMENT(YES); EXPLORATION(YES); ASSESSMENT(RESOURCES ARE SUFFICIENT FOR SEVERAL DECADES OF PRODUCTION); OPERATIONS AT PRESENT FROM A 270 M DEEP SHAFT. ORES CONTAIN ABOUT 20-30 % C. ROM-ORES MIXED WITH SOME HOSTROCK MATERIAL GRADE ABOUT 17 % C. RECOVERY OF NORMAL BENEFICIATION IS ABOUT 91 %. A WIDE RANGE OF DIFFERENT PRODUCTS AT DIFFERENT GRAINSIZES AND C-GRADES BETWEEN 70 % AND 99.98 % C IS BEING RECOVERED TO MEET REQUIREMENTS OF VARIOUS SECTORS OF APPLICATION. DEPOSIT IS BEING WORKED SINCE AT LEAST 1220 AFTER CHRIST

Reference information

Bibliographic references

  • Deposit

    TOEPPER, W. 1961: BEITRAG ZUM MINERALBESTAND UND ZUR GEOCHEMIE DER GRAPHITLAGERSTAETTE KROPFMUEHL-PFAFFENREUTH.- PH-D-THESIS, TECHN. UNIV. BERLIN

  • Deposit

    V.GUTTENBERG, R.1974: STOFFBESTAND UND METAMORPHOSE VON GESTEINEN DER BUNTEN SERIE AM SUEDRAND DES PASSAUER WALDES. PH-D-THESIS, UNIV. MUNICH.

  • Production

    BAYER. OBERBERGAMT, ANN. REPORTS

General comments

Subject category Comment text
Deposit THIS RECORD WAS COMPILED FOR THE INTERNATIONAL STRATEGIC MINERALS INVENTORY. THE DATA WERE USED IN PREPARATION OF THE USGS CIRCULAR 930 SERIES OF REPORTS. MINERAL RESOURCE CATEGORIES AND CODES HEREIN ARE FROM THE INTERNATIONAL CLASSIFICATION SYSTEM RECOMMENDED BY THE UNITED NATIONS GROUP OF EXPERTS ON DEFINITIONS AND TERMINOLOGY FOR MINERAL RESOURCES. (SEE NATIONAL RESOURCES FORUM, V. 4, NO. 3, P. 307-313.). UNDERGROUND FLOTATION AVAILABLE DATA ON CSSR ORE PRODUCTION (1000 TONNES), CONCENTRATE PRODUCTION (TONNES) FROM KUZVART 1984 AND FROM BGS-WORLD MINERAL STATISTICS (YEAR: ORE PRODUCTION; CONCENTRATE PRODUCTION.): 1973: 25; UNKNOWN. 1974: 39; UNKNOWN. 1975: 45.1; UNKNOWN. 1976: 33.8; UNKNOWN; 1977: 49.2; UNKNOWN. 1978: 46.4; 13630. 1979: 51; 14600. 1980: 51; 15700. 1981: UNKNOWN; 21977. 1982: UNKNOWN; 26666.
Deposit THIS RECORD WAS COMPILED FOR THE INTERNATIONAL STRATEGIC MINERALS INVENTORY. THE DATA WERE USED IN PREPARATION OF THE USGS CIRCULAR 930 SERIES OF REPORTS. MINERAL RESOURCE CATEGORIES AND CODES HEREIN ARE FROM THE INTERNATIONAL CLASSIFICATION SYSTEM RECOMMENDED BY THE UNITED NATIONS GROUP OF EXPERTS ON DEFINITIONS AND TERMINOLOGY FOR MINERAL RESOURCES. (SEE NATIONAL RESOURCES FORUM, V. 4, NO. 3, P. 307-313.). UNDERGROUND FLOTATION, CHEMICAL AND SPECIAL TREATMENT FOR CERTAIN QUALITIES

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1984 Krauss, Ulrich H. Bundesanstalt Fuer Geowissenschaften und Rohstoffee (Germany)

Beyond USGS

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

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