UNFC Code
This file contains the CGI UNFC Code vocabulary, as defined by the IUGS Commission for Geoscience Information (CGI) Geoscience Terminology Working Group. The vocabulary defines concepts for the categorisation of mineral reserves and resources according to the UN Framework Classification (2009). By extension, this vocabulary includes all concepts in this conceptScheme, as well as concepts in any previous versions of the scheme.
This file contains the 2019 SKOS-RDF version of the CGI UNFC Code vocabulary. Vocabulary Shepherd: Jouni Vuollo. Compilation and review in Google doc spreadsheet; adopted 2014-01-09; converted to MS Excel XML for SKOS generation using SKOS_for_GA_from_XLS_2016.03.xslt
2014-02-23 Original SKOS implementation, SMR
2015-01-08 OLR Edits to fix typos and remove '201401' from rdf file name.
2016-11-29 OLR Regenerate SKOS-RDF file as part of migration to new vocabulary server. No change to previous concepts definitions.
2019-06-04 OLR fixed typos in narrower relations for 'commercial-projects'
2019-06-04
CGI Geoscience Terminology Working Group
Commercial Projects have been confirmed to be technically, economically and socially feasible.
commercial projects
01
mineral reserves
www.unece.org/fileadmin/DAM/energy/se/pdfs/UNFC/UNFC2009_ECE_EnergySeries39.pdf - page 6; synonym from CRIRSCO
On Production is used where the project is actually producing/extracting and selling one or more commodities to market as at the Effective Date of the evaluation.
on production
01.1
proved and probable (111+112)
http://www.unece.org/fileadmin/DAM/energy/se/pdfs/egrc/egrc4_apr2013/SpecificationsUNFC2009.pdf - page 19; synonym from CRIRSCO
Approved for Development requires that all approvals/contracts are in place, and capital funds have been committed. Construction and installation of project facilities should be underway or due to start imminently.
approved for development
01.2
proved and probable (111+112)
http://www.unece.org/fileadmin/DAM/energy/se/pdfs/egrc/egrc4_apr2013/SpecificationsUNFC2009.pdf - page 19; synonym from CRIRSCO
Justified for Development requires that the project has been demonstrated to be technically feasible and commercially viable, and there must be a reasonable expectation that all necessary approvals/contracts for the project to proceed to development will be forthcoming.
justified for development
01.3
proved and probable (111+112)
http://www.unece.org/fileadmin/DAM/energy/se/pdfs/egrc/egrc4_apr2013/SpecificationsUNFC2009.pdf - page 19; synonym from CRIRSCO
Potentially Commercial Projects are expected to be developed in the foreseeable future, in that the quantities are assessed to have reasonable prospects for eventual economic extraction, but technical and/or commercial feasibility has not yet been confirmed
potentially commercial projects
02
mineral resource
www.unece.org/fileadmin/DAM/energy/se/pdfs/UNFC/UNFC2009_ECE_EnergySeries39.pdf - page 6; synonym from CRIRSCO
Development Pending is limited to those projects that are actively subject to projectspecific technical activities, such as acquisition of additional data (e.g. appraisal drilling) or the completion of project feasibility studies and associated economic analyses designed to confirm project commerciality and/or to determine the optimum development scenario or mine plan.
development pending
02.01
measured (221), indicated (222), inferred (223)
http://www.unece.org/fileadmin/DAM/energy/se/pdfs/egrc/egrc4_apr2013/SpecificationsUNFC2009.pdf - page 19; synonym from CRIRSCO
Development On Hold is used where a project is considered to have at least a reasonable chance of achieving commerciality (i.e. there are reasonable prospects for eventual economic extraction), but where there are currently major non-technical contingencies (e.g. environmental or social issues) that need to be resolved before the project can move towards development.
development on hold
02.02
indicated (222) and inferred (223)
http://www.unece.org/fileadmin/DAM/energy/se/pdfs/egrc/egrc4_apr2013/SpecificationsUNFC2009.pdf - page 19; synonym from CRIRSCO
Non‐Commercial Projects include those that are at an early stage of evaluation in addition to those that are considered unlikely to become commercially feasible developments within the foreseeable future.
non‐commercial projects
03
www.unece.org/fileadmin/DAM/energy/se/pdfs/UNFC/UNFC2009_ECE_EnergySeries39.pdf - page 6
Development Unclarified is appropriate for projects that are still in the early stages of technical and commercial evaluation (e.g. a recent new discovery), and/or where significant further data acquisition will be required, in order to make a meaningful assessment of the potential for a commercial development, i.e. there is currently insufficient basis for concluding that there are reasonable prospects for eventual economic extraction.
development unclarified
03.01
http://www.unece.org/fileadmin/DAM/energy/se/pdfs/egrc/egrc4_apr2013/SpecificationsUNFC2009.pdf - page 19
Development not Viable is used where a technically feasible project can be identified, but it has been assessed as being of insufficient potential to warrant any further data acquisition activities or any direct efforts to remove commercial contingencies.
development not viable
03.02
http://www.unece.org/fileadmin/DAM/energy/se/pdfs/egrc/egrc4_apr2013/SpecificationsUNFC2009.pdf - page 19
Quantities should only be classified as Additional Quantities in Place where no technically feasible projects have been identified that could lead to the extraction of any of these quantities.
additional quantities in place
04
http://www.unece.org/fileadmin/DAM/energy/se/pdfs/egrc/egrc4_apr2013/SpecificationsUNFC2009.pdf - page 19
Project identiifed that has not advanced enought to categorize further.
exploration projects
05
exploration results (334)
http://www.unece.org/fileadmin/DAM/energy/se/pdfs/egrc/egrc4_apr2013/SpecificationsUNFC2009.pdf - page 19; synonym from CRIRSCO
UNFC Code - All Concepts