PORFIRIO
PADILLA-LARA
Registered Professional Geologist in Mexico #440771
BIRTHDATE: September 15, 1947
PERSONAL DATA: Height: 5' 4", Weight 140 lbs. Health
excellent.
Married, three children.
OFFICE: Minera Cascabel, S.A. de C.V.
Av. Trece No.100, Col. Bugambilias
Hermosillo, Sonora 83140
Tel. (662) 215-7477, or 210-6058, or 210-4484
Fax (662) 215-8622
E-mail: ppadilla@hmo.megared.net.mx
EDUCATION: UNIVERSIDAD NACIONAL AUTONOMA DE MEXICO
FACULTAD DE INGENIERIA (Mexico City)
LANGUAGES: Fluent in Spanish and English
1988-PRESENT: Director General of Minera Cascabel, S.A. de C.V., a
privately held Mexican company formed to explore for precious
metal, polymetallic and non-metallic deposits in Mexico and theWestern U.S. on a contract and/or finders fee basis.
Consulting geological services throughout Mexico are also
provided through CASCABEL. Also owns a privately held geological
service company based in Hermosillo, Sonora and involved with
diamond drilling and contract mining. Presently Porfirio is Vice President of
Asociación de Mineros de Sonora, A.C. and person in charge of field trips for
AIMMGMAC, Distrito Sonora.
PROFESSIONAL
04/88 - 06/89
Contractor for mining and loading heap-leach pads for Cia. MINERA
DE MINAS NUEVAS, a Mexican subsidiary of TERRA MINES LTD. And
operator of the "La Amelia" sediment-hosted Au deposit
located in the Cucurpe Area Sonora, Mexico. Also conducted
exploration drilling.
12/87 - 03/88
Diamond drilling contractor for SERVICIOS INDUSTRIALES PEÑOLES
in the Alamos District, Sonora.
11/87
Preliminary geologic study of gold deposits in quartzites located
in the Guaymas District, Sonora.
10/87
In charge of percussion drilling program following initial
geological investigations of gold prospects in the Guaymas
District, Sonora.
09/87
Representative for negotiations for two mining concessions in the
State of Sonora and preliminary geological evaluation of the
"La Barranca" area located in the Soyopa District,
Sonora.
08/87
Geological investigation of gold placer deposits in the State of
Sonora.
07/87
Geological studies leading to a reinterpretation of the
mineralization potential in the Copala Ag-Au vein District,
Sinaloa. Economic evaluation of same area.
06/87
Preliminary study for Cia. MINERA ZAPATA, S. De R.L. de C.V., a
Mexicansubsidiary of PHELPS DODGE, of some mining claims
belonging to Cia. La Gran Via Minera, located in the Bacanora
District, Sonora. Geological mapping at 10:000 scale and sampling
of the mineralized areas.
05/87
Preliminary evaluation of a quartz vein with economic Au-Ag
mineralization in the Bacuachi District, Sonora. Mapping of
underground workings and surface surveying, also extensive
sampling of veins and dumps.
09/86-05/87
Metallurgical mining operation developed by myself in the area of
placers and paleo-placers in the Trincheras Mining District,
Altar desert region, Sonora. Tunneling development, surface and
underground geological mapping (El Boludo and El Puerto de Camu),
and recuperation of free gold using dry gravimetric methods and
dry washers.
07/86-08/86
KENNECOTT MINERALS CORP. Preliminary evaluation of an
interformational breccia with economic Au mineralization in the
Altar Desert, Sonora Geological mapping at 1:1000 scale and
surface geochemistry.
06/86
KENNECOTT MINERAL CORP. Resampling and reinterpretation of the
low-angle structure in association with disseminated gold
mineralization in the Pre-Cambrian rocks exposed throughout the
Altar Desert, Sonora.
01/86-04/86
KENNECOTT MINERALS CORP. Surface geochemistry of the "El
Alacran" structure located in the Bolaños District,
Jalisco. Work led to drill targets proven through subsequent
drilling.
10/85-12/85
KENNECOTT MINERALS CORP. Calculation of reserves and geological
re-interpretation of the mineralized orebodies along the "El
Alacran" structure on property controlled by CIA. MINERA
BOLAÑOS in the BolañosDistrict, Jalisco.
09/85-10/85
KENNECOTT MINERALS CORP. Regional exploration throughout the
State of Sonora for large-tonnage, low-grade gold deposits.
08/85-09/85
KENNECOTT MINERALS CORP. Consulting in the Bolaños Mining
District, Jalisco. Designed underground diamond drilling program
for the El Alacran Mine.
04/85-07/85
KENNECOTT MINERAL CORP. Preliminary evaluation of a low-angle
structure associated with disseminated Au in small
veinlet-stockworks present in Pre-Cambrian rocks. Geological
mapping of underground workings at 1:1000 scale and surface
mapping at 1:10,000 scale. Extensive sampling of both underground
and surface.
11/84-03/85
KENNECOTT MINERAL CORP. Preliminary evaluation of the Mulatos
Mining District, Sonora. Large tonnage, low-grade Au deposit
associated with fractures and veinlets in altered Tertiary
volcanic rocks.
05/84-11/84
KENNECOTT MINERALS CORP. Regional exploration in the Altar
Desert, Sonora. Location and sampling of low-angle structures
associated with disseminated Au mineralization in Pre-Cambrian
rocks.
04/84-11/84
KENNECOTT MINERALS CORP. Training in the Mojave Desert in
Southern California. Orientation on "Mesquite-type"
disseminated Au mineralization thought to be associated with
low-angle structures in Pre-Cambrian rocks.
02/82-02/84
KENNECOTT MINERALS CORP. Project geologist in Choco, Colombia,
South America. Evaluation of an Au-bearing Cu-Massive sulfide
deposit. Geological mapping underground at 1:250 scale and
surface mapping at 1:10,000 scale. Underground and surface
surveying. In charge of underground and surface diamond drilling.
Geochemical surveys included surface sampling and regional stream
sediments. Geophysical surveys included Induced Polarization and
Resistivity, and both Conventional and Electro-Magnetics. The
Colombian office also located some Au-placers in the Bajo Cuaco
and evaluated some high-grade, low-tonnage gold mines.
09/81-02-82
BEAR CREEK MINING COMPANY. Partial economic evaluation of an
epithermal Au, Ag, Cu, Pb, Zn mineralized quartz vein system
located in the Panuco District, Sinaloa. Mapping and surface
sampling at both 1:500 and 1:12,500 scales. Also, mapping and
sampling underground at 1:500 scale.
08/81
BEAR CREEK MINING COMPANY. Preliminary evaluation of a
mineralized volcanic breccia containing Au and Ag and located in
the San Ignacio District, Sinaloa. Mapping and sampling on the
surface using a compass and tape at 1:1000 scale.
05/81-08/81
BEAR CREEK MINING COMPANY. Project geologist at a stockwork
porphyry molybdenum ore body in the Concordia District, Sinaloa.
In charge of diamond core drilling, core logging and orebody
sampling.
03/81-04/81
MINERALES BOLAÑOS, S.A. DE C.V. Preliminary investigation of the
Au, Ag, Cu, Pb, Zn-bearing epithermal quartz vein system in the
San Sebastian del Oeste Mining District, Jalisco. Surface mapping
at 1:5000 scale; underground mapping and sampling of workings at
1:5000 scale.
02/81-03/81
BEAR CREEK MINING COMPANY. Evaluation of disseminated Au-Ag
deposit hosted in Carbonates in the San Pedro Hill District, San
Luis Potosi.
11/79-02/81
BEAR CREEK MNINING COMPANY. Project geologist in the Bolaños
District, Jalisco. In charge of drilling, description of drill
holes;development of underground workings, sampling of drill
holes and underground workings; development of access roads,
topographical survey with plane table and alidade at 1:500 scale;
mapping of underground workings at 1:500 scale as well as
logistics and payroll for the entire project.
08/79-10/79
FLUORITA DE MEXICO, S.A. DE C.V. Economic evaluation of a
porphyry-type stockwork molybdenum property in the Moris
District, Chihuahua. Geological mapping geochemical sampling and
interpretation at 1:5000 scale.
04/79-07/79
FLUORITA DE MEXICO, S.A. DE C.V. Economic evaluation of a
porphyry tungsten-molybdenum property in the Morelos District,
Chihuahua. Topographical survey with plane table and alidade at
1:400 scale. Geological mapping, geochemical sampling and
interpretation at both 1:5000 and 1:400 scales.
09/78-03/79
Economic evaluation of a Ag-Pb mineralized vein system in the
Cumpas District, Sonora. Mapping at 1:250 scale and sampling and
surveying the underground workings with a compass and tape.
09/78
Beginning of my activities as a consulting geologist.
01/78-08/78
English studies at the University of Arizona, Tucson.
08/71-12/77
SERVICIOS INDUSTRIALES PEÑOLES. Involved in numerous projects
over seven years.
12/77
Economic evaluation of a Ag, Cu, Pb, Zn-bearing skarn deposit
located in the Reforma Unit in Chihuahua State.
01/77-11/77
PEÑOLES. Project geologist at an Au, Cu, Pb, Zn-bearing skarn
deposit in the Cosala District, Sinaloa. Mapping at 1:2500 scale;
description and sampling of drill holes, geochemical sampling.
12/76-01/77
PEÑOLES. Prospecting abandoned Ag, Au and Pb mines near the city
of Hermosillo, Sonora.
06/76
Presentation of Professional Exam to obtain the Title of
Geologist.
03/76-11/76
PEÑOLES. Project geologist for program at the Pb-Zn deposits
located in the Moctezuma District, Sonora. Surface mapping and
geochemical sampling at 1:2000 and 1:5000 scales; description and
sampling of drill holes; mapping a geochemical sampling of
underground workings.
03/76
PEÑOLES. Mapping and sampling of underground workings located in
the Opodepe District, Sonora.
10/75-02/76
Research for Professional thesis submitted under the title
"LAS ROCAS IGNEAS DE LA SIERRA DE SAN CARLOS,
TAMAULIPAS". This work covered an area of 1,600 square
kilometers at a 1:50,000 scale.
09/75
PEÑOLES. Geological surveying with plane table and alidade at
1:1000 scale of area containing Au, Ag, Pb, Zn veins in the Altar
Desert region, Sonora. Also mapping and sampling of extensive
underground workings.
07/75-08/75
PEÑOLES. Mapping of porphyry Cu, Mo, WO3 orebody at 1:2500 scale
in the Yecora District, Sonora.
10/74
Training program covering the porphyry environment in the State
of Arizona, USA. Visited numerous deposits during this month-long
field study.
08/73-03/75
PEÑOLES. Industrial minerals project geologist for feldspar in
the "Sierra de San Carlos, Tamaulipas". Regional
exploration for feldspar, limestone and dolomite in the States of
Tamaulipas, Nuevo Leon and San Luis Potosi.
06/73-08/73
PEÑOLES. Mapping of a dolomite orebody at 1:2000 scale in the
State of Coahuila.
04/73-06/73
PEÑOLES. Geological surveying, geochemical sampling and
topographical surveying on a Au, Ag, Pb, Cu, Zn exploration
program in the State of Guerrero. Project was subsequently
drilled as a result of this work.
08/72-09/72
PEÑOLES. Photo interpretation, verification and surveying out
sections with a plane table and alidade at a scale of 1:50,000.
Joint project with students from UNAM and PEMEX geologist
covering a 2000 Km2 area in the State of Coahuila.
03/72-08/72
PEÑOLES. Geological mapping and geochemical sampling for Au, Ag,
Cu, Pb, Zn at 1:25,000 scale in the southern par of the State of
Durango.
09/71-02/72
PEÑOLES. Draftsman in Mexico city office.
08/71-09/71
PEÑOLES. Various experience included mapping and geochemical
sampling at 1:1000 scale using a plane table and alidade, as well
as supervising a drilling program for Au, Ag, Cu, Pb, Zn on a
vein-type target in Jalisco State.
PROFESSIONAL SOCIETIES
Associacion de Ingenieros de Minas, Metalurgistas y Geologos de
Mexico, A.C. Seccion Sonora (Field Trip Organizer) S.M.E./A.I.M.E., Sociedad Geologica Mexicana, Asociación
de Mineros de Sonora, A.C. (Vice President).