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New geophysics? Or bad geophysics? How to not be fooled.

New geophysics? Or bad geophysics? How to not be fooled.

Misguided scientists erroneously think they have found ways to bend or ignore scientific principles, and in some cases unscrupulous tricksters are willing to sell a bogus product to an exploration market desperate for competitive advantage. Geophysics thrives on innovation. New science should be actively encouraged. But many millions of exploration dollars are wasted, and much damage is done to the business of exploration and the reputation of geophysics, by ineffective or bogus techniques. This document was created to give some guidelines to geologists interested in innovative methods, but wary of wasting money conducting useless surveys and drilling holes in the wrong places. Hallmarks of voodoo geophysics There are six factors that can be used to analyze a suspect system (adapted from Hodges, 20051). The better these factors fit, the more concerned one should be that the geophysics is not valid. No single parameter described below proves that a system should not be trusted, but the more it matches any of these parameters, the more cautious one should be… Read the full article...
Blackstone Identifies Large Copper, Gold and Cobalt Targets at Little Gem

Blackstone Identifies Large Copper, Gold and Cobalt Targets at Little Gem

Blackstone Minerals Limited (ASX: BSX) is pleased to announce results from phase two of the recently completed IP survey at the Jewel Copper-Gold-Cobalt Prospect in British Columbia, Canada. The IP survey has identified new IP chargeability and resistivity anomalies which are significantly larger and stronger than the anomalies from the first phase and all exhibit chargeability and resistivity signatures typical of sulfide bearing bodies. Blackstone’s Managing Director commented; “Our second phase of IP survey results have identified large-scale targets at the Jewel Copper-Gold-Cobalt Prospect. The Jewel mine was a very high grade mine in the late-1930’s with average grades of 73 g/t gold, 8g/t silver and 0.4% copper and high grades of up to 153g/t gold, 137g/t silver and 19.2% copper. Our field work indicates Jewel is associated with anomalous Cobalt mineralisation and with the recent Erebor Cobalt-Gold discovery nearby the Little Gem project is shaping up to be a world class Cobalt district. The Petrophysical analysis we completed on core samples from Little Gem indicate the sulfide alteration associated with the cobalt and gold mineralisation at Little Gem has a high IP response. These IP/ resistivity surveys have highlighted targets that are consistent with the measured response from Little Gem but significantly larger in size.” Read the full announcement from Blackstone...
Blackstone Minerals Confirms Multiple New Targets Along Strike at Little Gem

Blackstone Minerals Confirms Multiple New Targets Along Strike at Little Gem

Blackstone Minerals Limited (ASX: BSX) is pleased to announce results from phase one of an IP survey recently completed at the Little Gem Cobalt-Gold Project (“Little Gem”) in British Columbia, Canada. The IP survey has identified two new targets showing significant anomalies with chargeability and resistivity signatures typical of sulfide bearing bodies. With the recent discovery of Cobalt-Gold mineralisation at Erebor and these new targets indicating the potential source of the high grade mineralisation at Little Gem the Company continues to unlock the potential for multiple deposits in a region with geology analogous to the Bou-Azzer primary Cobalt district in Morocco (>50 deposits and 75 years of Cobalt production). Read the full announcement from Blackstone Minerals...
Thick mineralised intervals encountered in initial drilling at the Colson Cobalt‐Copper project, Idaho

Thick mineralised intervals encountered in initial drilling at the Colson Cobalt‐Copper project, Idaho

New World Cobalt Limited (ASX: NWC; “New World Cobalt” or “the Company”) is pleased to advise that it has made a strong start to its maiden drilling program at the Colson Cobalt‐Copper Project in the Idaho Cobalt Belt, USA with significant zones of mineralisation encountered in the first three diamond drill‐holes. Drilling is continuing with two rigs, aimed at unlocking the potential of the Colson Project for high‐grade cobaltcopper mineralisation. Initial assay results from the program are expected by late September. New World Cobalt Managing Director Michael Haynes said the Company was very encouraged by the mineralisation observed in the initial diamond drill holes at Colson. Read the full announcement from New World Cobalt...
Millennium makes key exploration breakthrough at Nullagine

Millennium makes key exploration breakthrough at Nullagine

New exploration targeting methodology delivers significant new target south-west of key Golden Eagle deposit. Millennium Minerals Limited (ASX: MOY) (“Millennium” or the “Company”) is please to advise that is has identified a major new greenfields exploration target in close proximity to the large-scale Golden Eagle deposit at its 100% owned Nullagine Gold Project in WA’s East Pilbara . Read the full announcement from Millennium Minerals Limited...

Terra Resources was pleased to be associated with AEGC 2018: Australasian Exploration Geoscience Conference. Our staff at Terra Resources were pleased to present a paper on Geophysics for Sediment Hosted Coper and Gold Mineralisation.  Examples of the application of large 3D IP surveys for sediment hosted copper deposits from Zambia and Alaska show that high grade copper mineralisation is associated with an IP response. View AEGC 2018: Australasian Exploration Geoscience Conference presentation here View AEGC 2018: Australasian Exploration Geoscience Conference Paper...