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Perold Earth Science Services CC Apr
2006 – Current
Sole
Member
- Founding
member of Perold Earth geological and opencast mining consulting business
- Completed
the understated services for various clients:
- Regional
exploration, prospecting target identification and reviews of potential
prospecting targets for iron ore, aluminium, fluorspar, barite, alluvial gold,
REE, coal, mineral sand, clay and sand deposits in South Africa, Swaziland and
Mozambique.
- Prospecting
Right applications for fluorite, barite, REE, diamonds, dolomite, clay, sand,
crushed silica and coal.
- Mineral
prospecting and/or management of prospecting work programmes for coal, uranium, alluvial
sand, dolomite/marble, iron ore, manganese, copper, nickel, crushed silica and clay deposits. Appointed and managed
project geologists, competent person, drilling contractors, surveyors and other
specialists. Responsible for project data flow, QA/QC documentation, progress
reports, cash flow and compilation of Competent Persons reports.
- Intensive
use of Gemcom Surpac Software for database creation
and management, creation of geological block models, geostatistical
evaluation, geochemical modelling (grade estimation) and quarry/ opencast mine
design, mine scheduling and quarry development and rehabilitation planning to
be able to estimate Mineral Resources and Mineral Reserves. Major projects
completed includes:
- Independent
valuation on the mineral assets of the Lyttelton Dolomite Centurion mine
- Independent
valuation on the silica mineral assets of
Infrasors Holdings Limited
- Independent
review of Kudumane Manganese Resource (Pty) Ltd feasibility study report on the
minerals assets underlying the farm York 279, Hotazel, Northern Cape Province.
- Annual
preparation of mineral resource and mineral reserve statements for Infrasors
Holdings Limited
- Modelling,
pit design and mine scheduling for Cape Diamond PLC (Cape Resources LLC), Elandslaagte
Diamond Mine
- Modelling
of various limestone, dolomite, clay and quartzite deposits from historic data
for the design of brown fields prospecting work programmes and estimation of
historic mineral resources
- Mining
Right and Mining Permit applications for dolomite, crushed silica, coal,
alluvial sand and clay
- Successfully
submitted Competent Person reports for both Lyttelton Dolomite (Pty) and Delf
Silica for the listing of Infrasors as a mining company on the main board of
the JSE
- Management
of surface mining contracts
- Training
of Junior Geologist
Corobrik (Pty) Ltd Oct
1996 – Mar 2006
Geological
Services Manager
- Responsible
for mineral resource management, mining and rehabilitation of 33 operating clay,
sand and carbonaceous shale quarries in South Africa
- Developed
a national database in Microsoft Access to capture and manage all historic and
current geological, chemical, ceramic and surface data for the creation of site
specific databases and geological, geo-chemical and geo-ceramic models using Gemcom Surpac software.
- Initiated
and managed the creation of a GIMS GIS database (ArcGis) in conjunction with
ESRI South Africa
- Responsible
for prospecting of additional clay resources for the establishment of clay
quarries to maintain a 20 year minimum raw material resource life for all material
resources consumed by 13 clay brick manufacturing facilities.
- The
understated persons reported directly to and or was managed by me:
- Geologists
- Geological
assistant
- Drafting
person
- Drilling
contractor
- Mining
contractors
- Consultants
e.g. mine surveyor, environmentalists, geologists
Corobrik (Pty) Ltd Feb
1995 – Sept 2006 Geologist
- Responsible
for the maintenance, development, mining and rehabilitation of 12 operating
clay, sand and carbonaceous shale quarries in the East Rand and Mpumalanga
- Responsible
for prospecting of additional clay resources for the establishment of clay
quarries to maintain a 20 year minimum raw material resource life for all
material resources consumed by 4 clay brick manufacturing facilities.
Foskor (Pty) Ltd Jan
1993 – Jan 1995
Mine
Geologist and Planner
- Responsible
for the evaluation and development or the Northern Pyroxenite Phosphate ore
body including face mapping, infill
drilling, core logging and sampling, computerized geological, geochemical (phosphate,
copper and magnetite) and economic modelling using the Foskor ore
reserve system, Surpac and Whittle software.
- Initiated and completed the first computerized design of the Northern
Pyroxenite Opencast Mine using Surpac and
Whittle software to estimate NPV’s and IRR’s (internal rate of return), for
different pit shells and variations of financial and technical input parameters
to produce maximum value curves.
- Short, medium and long term mine planning and scheduling to provide the
flotation plant with the required ore from stockpiled ore acquired from the
Phalaborwa Mining Company (PMC) or from the Northern Pyroxenite Mine.
- Grade control
Foskor (Pty) Ltd Jan
1992 – Jan 1993
Business
Analyst
- As part of a team evaluated the marketing and
global distribution system of rock phosphate and developed an improved
management system and methods.
- Worked, as part of a team, on the commissioning of
the company’s new PSZ (partially stable zirconium) plant by conducting time
studies, writing operating and management procedures.
- Responsible for the compilation of the mine’s
weekly production and sales reports for presentation at the Managing Director’s
planning meetings held on Fridays with all Department Heads.
Foskor (Pty) Ltd July
1986 – Jan 1992
Exploration
Geologist
- Initiation and/or onsite management of green fields
geological prospecting projects.
- Were responsible for and conducted geological
mapping, soil geochemical- , radiometric- and magnetometric surveys to define
anomalous areas followed by tests pits, percussion and core drilling to
investigate continuation of mineralization with increasing depth.
- All personnel working on a project reported
directly to me.
- Completed the understated projects:
- Detailed
Geological and geochemical investigation for Sn, W, As, Cu, Pb and Zn, Bushveld
Complex and Transvaal Supergroup (1986/87). Ground magnetic survey, geological
mapping, soil sampling, pitting and percussion drilling.
- Geological
and geochemical investigation for Cu and Ni, Limpopo Mobile Belt (1987/88).
Ground magnetic survey, geological mapping, soil sampling, pitting and
percussion drilling.
- Regional
geological and geochemical investigation for Au, As, Sb, Ba and Mn, Waaihoek
pyrophyllite (1989). Geological mapping, soil and rock sampling.
- Geological
and geochemical investigation for Au, As, Sb, Ba and Zn, Rooiberg Group (1990).
Ground magnetic survey, geological
mapping, soil sampling and percussion drilling.
- Detailed
geological and geochemical investigation for Au, Ba, F, Mn, Pb, Zn and REE,
Kruidfontein Volcanic Complex (1991). Ground magnetic- and ground radiometric
survey, geological mapping,
soil sampling, percussion drilling and core drilling.
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