Resumes

CARL ANTON "TONY" KUEHN

Tucson, Arizona
Phone (W): (520) 797-1618
FAX: (520) 797-3955
E-Mail: ckuehn@imdex.com

ACADEMIC:

Ph. D. in Geology - 12/89: The Pennsylvania State University. Dissertation Topic: Studies of Disseminated Gold Deposits near Carlin, Nevada: Evidence for a Deep Geologic Setting of Ore Formation.

M.S. in Geology - 12/84: The Pennsylvania State University. Thesis Topic: Geology and Exploration Geochemistry of the Big Creek and Kingston Canyon Areas, Toiyabe Range, Lander Co., Nevada.

Fellowships/Awards: National Science Foundation EAR 8407743 - Carlin Grant `84-'86; USGS "P" Ph. D. Student appt. `84-'86; PSU Mineral Industries Fellowship `82-'83; Anaconda Grant in Aid `80-'82. Best Speaker award Grad. Student Colloquium, 1985.

Amherst College, 1972-1976. Bachelor of Arts in Geology, Cum Laude. Senior Thesis Topic: The Transition from Lower to Upper Sillimanite Zones in Mg-rich and "Normal" Mg/Fe Pelitic Schists from the Farmer's Hill Area, Northwest Maine. Field Camp, 1974: Y.B.R.A., Red Lodge, Montana.

WORK EXPERIENCE: Registered Arizona Professional Geologist #23395

10/88 to present:
IMDEX, Inc., V.P. Exploration. Privately held Arizona corporation formed to explore for precious metal and polymetallic deposits in Mexico on a consulting and/or contract basis. IMDEX works in Mexico via its subsidiary Cia. Minera Cascabel SA. de C.V. where CAK is Jefe de Geologia. IMDEX/Cascabel also provides consulting services in the U.S. and elsewhere in Latin America. Since 1988 work has included Mexico, Peru, Chile, Colombia, Costa Rica, Ecuador, Honduras, Guatamala and Mali, West Africa. CAK also conducts industry seminars on "Carlin-Type" gold deposits and gold mineralizing systems in general as well as specialized consulting work on possible "Carlin-Type" gold mineralization around the world.

1988:
WESTMONT MINING COMPANY: Contract exploration geologist doing fieldwork in western AZ on detachment and FeOx-bearing gold deposits.

09/85- 03/88
Consulting Geologist working on sediment-hosted precious metals deposits. Work included short courses and lectures: Clients included FMC Gold Co., Penn State Univ. Colorado School of Mines

1983- 1986 (intermittent)
USGS WESTERN MINERALS RESOURCE GROUP, Menlo Park, CA . Member of disseminated gold research group headed by William C. Bagby. Responsible for detailed research on East Ore Zone at the Carlin Deposit (basis for Ph.D. dissertation).

1979-1982 (June-November each year):
ANACONDA COPPER COMPANY, Sparks, NV Responsible for sediment-hosted disseminated gold recon program, grass-roots prospect generation and submittal evaluation in north-central NV.
(1981): Exploration for high-level epithermal precious metal deposits in central Great Basin. Toiyabe Project, Lander Co., NV.
(1980) Reconnaissance program for disseminated Au and stratabound W, north-central, NV.
(1979) Designed and conducted Au-W recon program throughout north-central, NV with major target types being stratabound tungsten and sediment-hosted disseminated Au.

1978 (June-August):
ANACONDA COPPER COMPANY, Butte, Montana. Stratabound base-metal exploration in southern Belt Basin, central Montana; also stratabound W in PC gneisses in central Colorado

1978-1987
THE PENNSYLVANIA STATE UNIVERSITY, Univ. Park, PA. Teaching assistant for several courses and research associate on MRI Fellowship, Anaconda and NSF grants.

1977 (June-August):
PREUSSAG CANADA Ltd. Geologic mapping and geochemical exploration for massive sulfide deposits in the Blue Mts. of eastern Oregon

1976-1077
PREUSSAG A.G. METALL, Goslar, West Germany. (1) Geochemical exploration and mapping throughout NE Bavaria for stratabound WO3 and MVT base-metal deposits; (2) Apprentice mine geologist in two mines in the Harz Mts., RAMMELSBERG (shale-hosted massive sulfide) and HILFE GOTTES (Ag+base-metal vein); (3) Apprentice miner and geologist in deep underground anthracite mine in Ibbenbüren.

SYMPOSIA AND SHORT COURSES: FACULTY

GORDON RESEARCH CONFERENCE ON INORGANIC GEOCHEMISTRY, August 16-20, 1993, Session Chairman for Sediment-hosted and mesothermal gold deposits
GOLD-UPDATE `85-86, The University of Southampton, March 24-25, 1986,Southampton, England. Co-author on presentation by A.P. Gize" Fluid inclusion and organic geochemical data on Carlin, Nevada.
THE EPITHERMAL ENVIRONMENT, Society of Economic Geology Short Course, Port St. Lucie, FL, Oct. 24-27, 1985.
GOLD DEPOSIT MODELING IN EXPLORATION, An International Workshop, Colorado School of Mines, Golden, CO, Sep. 23-25, 1985.
MINERAL DEPOSITS RESEARCH REVIEW FOR INDUSTRY, Penn State University, University Park, PA, April 6-9, 1982.

SYMPOSIA AND SHORT COURSES: PARTICIPANT

Global Exploration, 2002: Integrated Methods in Exploration and Discovery: Society of Economic Geologists, SGA, AEG and Society of Exploration Geophysists  Joint Symposium, Apr. 14-16, 2002, Denver, CO.
GIS Workshop on Insight through Integration, April 12-13, 2002. Short course instructors Dr. Gary Raines and Dr. Graham Bonham-Carter
Mexico Mining '99 - Randol International Specialty Conference & Exhibition focusing on Mining, Exploration, Regulations and Doing Business in Mexico, Jan 17-20, 1999, Puerto Vallarta, Mexico. *** Oral Presentation: Advanced Projects Ltd.'s Guigui polymetallic project, Santa Eulalia Mining District, Chihuahua
Exploration Methods '98 - Pathways to Discovery: SEG, AEG and USGS Joint Symposium, Jan. 27-30, 1998, Vancouver, B.C., Canada.
SEG Field Conference on Carlin-Type Gold Deposits, Oct. 16-18, 1997, Elko, Nevada
Mexico Mining '97 - Randol International Specialty Conference & Exhibition focusing on Mineral Exploration in Mexico, Jan 12-15, 1997, Puerto Vallarta, Mexico. *** Oral Presentation: Recent Major Gold Discoveries Just Scratch the Surface.
Geology and Ore Deposits of the American Cordillera: GSN Symposium, Apr. 10-13, 1995, Reno/Sparks, NV. Leader for Field Trip "G": Gold and Copper Deposits of Sonora Mexico and Bisbee, AZ.
Bootprints Along the Cordillera - Porphyry Copper Deposits from Alaska to Chile: AGS, USGS and SME Joint Symposium, Oct 5-7, 1994, Tucson, AZ.
Integrated Methods in Exploration and Discovery: SEG, AEG and USGS Joint Symposium, Apr. 17-20, 1993, Denver, CO.
Geology and Ore Deposits of the Great Basin: GSN Symposium Apr. 1-5, 1990, Reno/Sparks, NV. Field Trip 12: Geology and Ore Deposits of the Carlin Trend. Bulk-Mineable Precious Metal Deposits of the Western United States: GSN Symposium Apr. 6-8, 1987, Reno, NV.
American Current Research on Fluid Inclusion, New Mexico Inst. of Mining and Technology: Socorro, NM, Jan. 5-7, 1987. *** Oral Presentation: Temporal Framework and Fluid Evolution at the Carlin Gold Mine.
Gold `86, An International Symposium on the Geology of Gold Deposits: Toronto Ontario, Canada, Sep. 28-Oct. 2, 1986.
SEPM. Research Conference: Fluid Inclusions in Sedimentary Rocks - Problems and Prospects: Lost Valley Ranch, CO, Oct. 14-18, 1984.
USGS Short Course in Fluid Mineral Equilibria in Hydrothermal Systems, R.W. Henley and A.H. Truesdell instructors: Menlo Park, CA, June 4-8, 1984.
Mackay School of Mines Invitational Research Conference on Brecciation and Mineralization - Geologic Occurrence and Genesis: Colorado Springs, CO, Dep. 18-22, 1983. *** Oral Presentation: Brecciation in sediment-hosted jasperoids, fluid inclusions and gold deposits.

TEACHING EXPERIENCE:

1978-1986: PENNSYLVANIA STATE UNIVERSITY, teaching assistantships
GEOSC 451: Economic Geology (four semesters)
GEOSC 457: Exploration Geochemistry
GEOSC 20: Introductory Physical Geology (three semesters)
GEOSC 24: Rock and Mineral Identification

Organized and led the following graduate level seminars:
Conceptual Models in Applied Exploration Geology (1978)
Epithermal Precious Metals Systems I: Theory (1983)
Epithermal Precious Metals Systems II: Case Studies (1983)
Geothermal Systems and Epithermal Ore Deposits (1984)

PROFESSIONAL SOCIETIES:

Geological Society of America (GSA)
Society of Economic Geologists (SEG)
Society for Geology Applied to Mineral Deposits (SGA)
American Institute of Mining Engineers (SME/AIME)
Asociacion de Ingenieros de Minas, Metalurgisticas y Geologos de Mexico (AIMMGM)
Association of Exploration Geochemists (AEG)
Denver Regional Exploration Geologists Society (DREGS)
Geological Society of Nevada (GSN)
Arizona Geological Society (AGS)
International Liaison Group on Gold Mineralization (ILLGM)
Nation Association of Self Employed (NASE)

FOREIGN LANGUAGES:
Fluent speaking and reading comprehension of German. Moderate/intermediate speaking and reading comprehension of Spanish via 12 years working in Mexico through IMDEX/Cascabel.

PERSONAL:

Birth Date: Sep. 30, 1954. 5'10", 210 lbs. Health excellent. Married with two children, both girls, ages 14 and 12 years. Wife is Associate Professor at University of Arizona (Tucson) in the Division of Family Studies and Consumer Resources.

PUBLICATIONS IN REFEREED JOURNALS:

Kuehn, C.A. and Rose, A.W., 1995, Carlin Gold Deposits, Nevada: Origin in a Deep Zone of Mixing between Normally Pressured and Overpressured Fluids: Econ. Geol. V. 90, No. 1, pp. 17-36.

Kuehn, C.A. and Rose, A.W., 1992, Geology and Geochemistry of Wall-Rock Alteration at the Carlin Gold Deposit, Nevada: Econ. Geol. V. 87, No. 7, pp. 1697-1721.

Pasteris, J.D., Kuehn, C.A. and R.J. Bodnar, 1986, Applications of the Laser Raman Microprobe U-1000 to Hydrothermal Ore Deposits: Carlin as an Example: Econ. Geol., V. 81, No. 4, pp. 915-930.

OTHER PUBLICATIONS:

Phillips, G.N., Thomson, D.A. and C.A. Kuehn, 1998, Deep weathering of deposits in the Yilgarn and Carlin Gold Provinces, Regolith '98 Sympiosium, Perth Australia, April, 1998

Megaw, P.K.M., Kuehn, C.A., Gamino-Ochoa, H.R. and Padilla-Lara, P, 1994, Are there Viable Bulk Mineable Million-Ounce Plus Gold Deposits in Mexico?, Randol at Vancouver `94: Latin American Mining Opportunities, Oct. 30-Nov. 2, 1994,

Kuehn, C.A., 1988, A general comment on FeOx-Gold Deposits and Gold Solubility: (in) Arizona Geological Society Spring Field Trip Guidebook 1988, 4 pgs.

Bodnar R.J., T.J. Reynolds and C.A. Kuehn, 1985, Fluid Inclusion Systematics in Epithermal Systems: (in) Society of Economic Geologists, Reviews in Economic Geology, Vol. 2 Geology and Geochemistry of Epithermal Systems, B.R. Berger and P.M. Bethke, eds., pp. 73-98.

Kuehn, C.A. and R.J. Bodnar, 1982, What Fluid Inclusion Systematics can tell us about Au mineralization: The system CO2-H20-NaCl: Mineral Deposits Research Review for Industry Course Notes, The Pennsylvania State University pp. KB1-KB35.

PUBLISHED BOOK REVIEWS:

1987: Discoveries of Epithermal Precious Metal Deposits, edited by V.F. Hollister, 1985. Journal of Geochemical Exploration, V. 27, No. 3, pp. 341-343.

ABSTRACTS:

Kuehn, C.A., 1991, Styles of Gold mineralization in Sonora, Mexico: AIME 120th Annual Meeting, Denver, CO, Feb. 15-18, SEG/M&E Session Geology I - Mexico, Pocket Program, p. 150.

Kuehn, C.A., 1990, Constraints for a Deep Geologic Setting During Formation of Sediment-Hosted Gold Deposits Near Carlin, Nevada: Northwest Mining Convention, Dec. 5-7. Session on Metamorphogenic Gold Deposits.

Rose, A.W., Kuehn, C.A., Shenberger, D.S. and C.H. Gammons, 1988, Geochemistry and origin
of hydrothermal fluids forming high Au/Ag, low base-metal gold deposits of Carlin, greenstone and related types: Geochem. Soc. Goldschmidt Symposium, Baltimore MD, May 11-13, 1988

Rose, A.W. and C.A. Kuehn, 1987, Ore deposition from acidic CO2-rich solutions at the Carlin gold deposit, Eureka County, Nevada: Geol. Soc. America Abstr. with Prog. V. 19, No. 7, p. 824, Phoenix, AZ

Kuehn, CA. and A.W. Rose, 1987, Temporal relationships between hydrocarbon introduction and maturation and gold mineralization/alteration at Carlin, Nevada: A tale of two fluids, in: Vassililou, A.H., Hausen, D.M. and Carson, D.J.T., eds., Process Mineralogy VII: Applications to Mineral Benefaction Technology and Mineral Exploration, with Special Emphasis on Disseminated Carbonaceous Gold Ores, p. 161.

Chao, E.T.C., Minkin, J.A., Back, J.M. Chen, J.R., Bagby, W.C., Kuehn, C.A. Hanson, A.L. and K.W. Jones, 1987, Synchrotron and micro-optical studies of five Carlin-type gold ore samples: Abstr. with Prog. SME/AIME, Denver, CO.

Kuehn, C.A. and A.W. Rose, 1986, Temporal Framework for Evolution of Fluids at the Carlin Gold Mine, Eureka County, Nevada: Geol. Soc. America Abstr. with Prog. V. 18, No. 6, p. 663, San Antonio, TX.

Kuehn, C.A. and A.P. Gize, 1985, Textural and P-T-X Characteristics of Hydrocarbon-bearing Stages of the Paragenesis at Carlin, Nevada: Geol. Soc. America Abstr. with Prog. V.17, No. 7, p. 635, Orlando, FL.

Bodnar, R.J. and C.A. Kuehn, 1985, Identification and Significance of CO2 in Fluid Inclusions from Epithermal Systems: Geol. Soc. America Abstr. with Prog. V. 17, No. 7, p. 526, Orlando, FL.

Kuehn, C.A. and R.J. Bodnar, 1984, P-T-X Characteristics of Fluids associated with the Carlin Sediment-hosted Gold Deposit: Geol. Soc. America Abstr. with Prog. V. 16, No. 6, p. 566, Reno, NV.

Pasteris, J.D., Kuehn, C.A. and R.J. Bodnar, 1984, Applications of the Laser Raman Microprobe U-1000 to Hydrothermal Ore Deposits: Carlin as an Example: Geol. Soc. America Abstr. with Prog. V. 16, No. 6, p. 619, Reno, NV.