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Minex43 2 Minex 25 GREENLAND MINERAL EXPLORATION NEWSLETTER MINEX 43 · February 2013 The views, opinions and evaluations taken or quoted from external sources are not necessarily those of the publisher (GEUS/BMP) New release of aeromagnetic sur- vey from South-East Greenland -43º -42º -41º -40º A total of 48,493 line-kilometres of magnetic data are released from the aeromagnetic survey flown in South-East Aeromagnetic survey 2012 Greenland 2012. The survey was financed by the South-East Greenland Government of Greenland and flown by EON Geosciences Magnetic total field 64 º 30’ Inc. Line data, grids and maps with magnetic field anomalies 30’ º and vertical derivatives are available in digital format. The area 64 is outlined in the map below and was surveyed using 500 m line spacing and flight lines oriented parallel to the coast. 64 º The survey covers the southern part of the North 00’ 00’ Atlantic craton, which stretches from north of Kangeq º 64 (61°45’N) northwards to Umiiviik (64°30’N). The craton is dominated by gneiss with only small supracrustal sequences of up to 1km in width and strikes of several 63 º kilometres, including meta-ultramafic intrusions and sever- 30’ 30’ al late-tectonic alkaline intrusions in the Skjoldungen area. º 63 The data and maps can be obtained from BMP. The maps in digital format comprise one set on a scale of 1:250 000 that covers the entire survey area, and 23 maps on a scale 63 º 54501 00’ of 1:50 000. 00’ º 54377 63 54309 54258 54215 London Mining Greenland A/S 54180 54149 applies for exploitation licence 62 º 54121 30’ In September 2012, London Mining Greenland A/S applied 54094 30’ º for an exploitation licence covering the Isua iron-ore 62 54068 deposit, north-east of Nuuk. 54044 54019 53995 The total iron-ore resource is more than 1 billion tonnes. 53971 53948 62 º The mineral resources estimation, before the pit optimisa- 53922 00’ 00’ tion, comprises 380 Mt indicated resources with an aver- º 53891 age grade of 32.6% Fe and 728 Mt inferred resources with 62 53845 53756 an average grade of 32% Fe (JORC-compliant). The project 25 km includes the construction of an open-pit mine, an ore-pro- [nT] cessing plant, a slurry pipeline, shipping facilities and infra- -43º -42º -41º structure. The annual production rate is estimated to 15 Mt of iron-ore concentrate containing approximately 70% Magnetic total field data from the regional aeromagnetic survey in Fe and 2% SiO +Al O . The company expects to employ 2012 of the southern part of the North Atlantic craton in South-East 2 2 3 Greenland. as many as 3,000 people in the construction phase and about 700 in the production phase. The application is currently being processed by the BMP. GEOLOGICAL SURVEY OF DENMARK AND GREENLAND BUREAU OF MINERALS AND PETROLEUM 2 MINEX 43 · February 2013 0 3.000 Az 320 deg, inc 40deg kilometres Map showing two major low-resistivity bodies (at 100 ohm) each 1000–1500 m wide and situated at 600–800 m below surface and coinciding with SGH anomaly with maximum 6.0 rating (red circle) and main chemical anomaly (black). Copyright Avannaa Resources. Avannaa Exploration Ltd. advances Three drill targets at depths of 500 to 800 metres are sin- its Karrat Zinc Project for drilling gled out as high priority. The work programme in 2013 is The Karrat Zinc Project consists of a 112 km2 licence sit- designed to constrain the drilling strategy and consists of uated in an area with proven zinc potential close to the a high-resolution reflection seismic survey to identify the historically very profitable Black Angel Mine (11 Mt @ depth to basement, as well as 3-D inversion of the ZTEM 12% Zn, 4% Pb and 29 ppm Ag). The exploration targets data and structural analysis based on mapping in 2012. are large-tonnage zinc ± lead, silver and copper Sedex Avannaa is looking for a partner to finance the 2014 drill deposits. Similar geological settings have yielded some of programme, which is aimed at testing the exploration the world’s most valuable base-metal occurrences includ- model and locate ore bodies. ing deposits within the Selwyn Basin, Yukon, and at Rammelsberg, Germany. Avannaa’s current programme builds on a large knowledge base indicating that licence New act on building and construc- 2011/31, which is contained within the 5,000 km2 Karrat tion works related to large-scale Group of Proterozoic metasediments, is the most prospec- projects in Greenland tive location for a large poly-metallic Sedex system. On Friday, 7 December 2012, Inatsisartut (the Parliament of Greenland) passed an act on building and construction work During 2011, Avannaa localised a series of very strong related to large-scale projects. geochemical anomalies within a 15 km long northeast–southwest-trending lineament based on MMI The aim of the so-called large-scale act is to promote for- (Mobile Metal Ion) and SGH (Soil Gas Hydrocarbon), and eign investments in Greenland and to prevent and limit bulk chemistry surveys. During 2012, the company has undesirable negative consequences to the national economy demonstrated that some of the main geochemical anom- and the competitiveness of the business sector as a result of alies correspond to conductive bodies revealed by an air- an influx of foreign enterprises to Greenland. Means to borne audio frequency magneto-variational (AFMAG) sur- establish this will include: vey using the ZTEM system. GEOLOGICAL SURVEY OF DENMARK AND GREENLAND BUREAU OF MINERALS AND PETROLEUM MINEX 43 · February 2013 3 • Establishing a legal framework for international tender of contracts for construction of large scale projects. • Allowing the use of foreign workers on large scale con- struction projects. • Establishing terms for negotiations of wages and condi- tions between a foreign contractor as an employer and the employers personnel. • Ensuring that local enterprises and local labour forces are involved in the construction project if practical and com- mercial possible. • Ensuring that suitable arrangements are made for all nec- essary welfare, hygenic and medical requirements and to prevent epidemics. • Establishing terms on insurance and home travelfor large- scale project employees. Intensive discussions among the panel members at the nickel work- • Monitoring large-scale projects. shop. The Act applies to large-scale projects with a development part of the on-going assessment of selected deposit mod- cost of more than DKK 5 Billion. The Act will be translated els and commodities in Greenland. into English and published on BMP’s website www.bmp.gl. The workshop made use of a standardised process in which 19 panel members (geologists) discussed and Amendment of the Mineral assessed the possibility of finding deposits in pre-defined Resources Act areas (‘tracts’). Michael Zientek, USGS and Marco Also on 7 December 2012, the Parliament passed an Fiorentini, Centre for Exploration Targeting, University of amendment to the Mineral Resources Act. The amend- Western Australia attended the workshop as invited ment was a political wish to reorganize some of the tasks nickel deposit experts. related to the administration of mineral resources. Data, literature and maps related to the known nickel The amendment calls for two new authorities under the mineralisations in Greenland and the predefined areas Greenland Government. One authority will handle all were compiled and made available to the participants casework etc. regarding the environment related to activi- before the workshop. The data provided the basis for the ties covered by the Mineral Resources Act and the other overall assessment, and for discussions and estimates. The authority will handle matters regarded licence administra- workshop will be documented in a GEUS survey report tion, safety and inspections. mid-2013. The full programme from the workshop can be found at GEUS’ website www.geus.dk. Other tasks, such as e.g. marketing of mineral resources, legislative initiatives, mineral resources strategies, supervi- A new assessment workshop is scheduled for November- sion of Social Impact Assessments (SIA) and Impact December 2013. Please contact Senior Geologist, Lars Benefit Agreement (IBA) negotiations will be transferred Lund Sørensen, GEUS ([email protected]) for pre-registration, to the Ministry of Industry, Mineral Resources and Labour. news or updates. A separate geological department will be formed under the Ministry of Industry, Mineral Resources and Labour. Multi-element sample wins the The amendment also makes some minor changes for resi- national mineral hunt competition dents’ right to collect minerals without a licence including Ujarassiorit – the national mineral hunt for residents of adjustments of the existing rules for small-scale licences. Greenland – has ended for 2012, and the winners have The amendment came into force on 1 January 2013. The received their awards. The submitted samples were inves- full amendment will be translated into English and pub- tigated by BMP, who selected the most interesting rock lished on BMP’s website. samples for chemical analysis. The chemical analyses revealed several samples containing interesting metals such as manganese, gold, iron and vanadium. BMP–GEUS workshop on the nickel potential in Greenland 1st-prize winner of Ujarassiorit 2012 On 24 August From 29 November to 1 December 2012, The winner of the 1st prize of DKK 55,000, tax-free, was BMP and GEUS conducted a workshop on the quantita- Kenneth Kristiansen from Nuuk, who submitted a rock tive assessment of the nickel potential in Greenland as sample from Qassiarsuk in South Greenland. The sample is GEOLOGICAL SURVEY OF DENMARK AND GREENLAND BUREAU OF MINERALS AND PETROLEUM 4 MINEX 43 · February 2013 a multi-element type with high values of multiple ele- 2nd prize winner of Ujarassiorit 2012 ments, including manganese (6%), lanthanum (2650 ppm), The 2nd prize of DKK 25,000 tax-free was awarded to phosphorus (4.58%), strontium (5700 ppm), beryllium Evald Brønlund from Illoqqortoormiut, who submitted a (104 ppm), and gallium (120 ppm).
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