María Inés López

María Inés López Romero Cell phone: - Email:-Qualifications and Affiliations • • • • BSc (Hons) (Geology) – Universidad Nacional de Colombia – Sede Bogotá Postgraduate Diploma Geographical Information Systems – Universidad Distrital - Bogotáִ Pr Sci Nat Language: Spanish and English Professional Career Maria is a geologist with 20 years of experience specialized in geological databases (SQL GDB from Minescape) and Torque (Minesight), and modelling sedimentary/stratiform deposits. Her main background is coal but has been exposed to other sedimentary deposits such as lateritic ores and limestone. Her experience has been gathered in different scenarios: Government of Colombia (Ecocarbón), Operation (Cerrejon Mine, Colombia), shared services (Anglo Coal, South Africa) and consultancy (Snowden, South Africa). She has been involved in different activities along her career, such as: • • • • • • • • Database management (from logging to database assemblage and maintenance) Geological modelling and resource estimation (Stratmodel, Minex, Minesight and GDB) Reconciliations (Resources-mine plan-production) Reconciliations model to model Reconciliations Resources to Reserves Audits to geological databases and geological models Competent Person Report writing and Resources sign-off Training 2013 to Present Geological consulting as an independent geologist and director; focussing on coal resources and other sedimentary deposits data management from desktop to operational models. 2012 to 2013 Geological consulting as senior geologist consultant – Coal, carrying Fatal Flaw Analyses and Due Diligence for several coal projects in South Africa and modelling of a coal deposit located Canada. Snowden Mining Industry Consultants 2006 to 2012 Resource and database geologist for several coal projects and operations in South Africa. Anglo American. 2000 to 2006 Geologist focused in modelling and data management in Cerrejón Mine (AngloAmerican, BHP Billiton and Glencore JV), implementing processes such as: • • • Reconciliation workflow from resources to production Control the drilling-database-modelling system by means of capturing digitally the core description, the e-log readings and sampling. Historical and modern data compilation in one standardised database. 1997 to 2000 Geologist working for the Colombian coal mining government body, focusing in the modelling and database for several projects in Colombia, utilising seismic, e-logs, core descriptions and quality available in the archives of this institution. Continuous Development June 2018 Python: Absolute beginner. Microsoft. EdX April 2018. Application of Multiple Point Statistics to Mineral Resource Estimation—School (SAIMM and Wits University- Snowden training courses: o o o o o o Grade Control Technical Report Writing Reporting Resources and Reserves Practical Reconciliation Successful Sampling Resource Estimation References Johan Erasmus Managing Director Sumsare Consultants Mob: +27 - E:- Angus Christi Retired from Angloamerican E:-Bill McKechnie General Manager Snowden South Africa M: - E:- Germán Hernández S. Superintendent of Geology – Cerrejon mine Carbones del Cerrejón (Colombia) Tel. - E:-