Global Geoscience prepares to drill test Sara Sara porphyry copper-molybdenum project

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Global Geoscience prepares to drill test Sara Sara porphyry copper-molybdenum project

Sydney-based Global Geoscience has released plans to drill test a porphyry copper-molybdenum target at its Sara Sara project in southern Peru, following grant of the tenements and receipt of confirmatory new rock chip and soil sample results.

“With the tenements granted, we can now move to drill testing this exciting new prospect,” Bernard Rowe, managing director of Global Geoscience, said.

“The latest rock chip and soil sample results provide added confidence that we are in the centre of a large porphyry-style mineralised system and the next step for us will be to drill some widespaced holes to test this concept.”

The Sara Sara project is located about 500km southeast of Lima and 100km from the coast, midway between the villages of Cahuacho and Pausa in the Department of Arequipa. Access to the area is via 10km of gravel road from Cahuacho and 4km of walking track, which can be easily upgraded to provide for drill rig access.

Global said the new rock chip and soil sample results had added further support to the concept that the Sara Sara project represents a large and previously untested porphyry coppermolybdenum target. The increased density of geochemical data has allowed focussing to define several drill targets.

The new rock chip and soil samples were collected from within the 10 sq km alteration zone recognised and mapped by Global. Surface geochemical samples now define concentric zones, which is typical of many porphyry copper-molybdenum-gold systems.

A central zone contains soil and rock chip samples with high molybdenum values (up to 449ppm Mo in rock and 221ppm in soil) and anomalous gold and arsenic.

Within this central zone soil and rock values exceed 100ppm Mo over a strike length of 350m and width of 60m. Rock values are contained within altered, brecciated volcanic rock containing 5 to 15% casts after weathered sulphide minerals.

The molybdenum-rich zone is surrounded by a partially continuous, annular zone of anomalous copper. The zone is generally about 200m wide and has a total length of over 2km. Soil samples generally contain over 75ppm Cu. Rock textures also indicate significant sulphide content, below the zone of oxidation.

Outer zones near the limits of the alteration system are anomalous in silver, zinc and bismuth. The distinct metal and alteration zonation is comparable in surface extent and style to that typically observed around many large porphyry copper deposits. Both the molybdenum and copper-rich zones represent drill targets.

Global Geoscience was recently advised of the grant of the first three tenements (18 sq km) which cover the central and most prospective part of the large alteration/geochemical anomaly. Global has a further 18 square kilometres of applications in the area.

In total 346 soil and 68 stream sediment samples have been collected.

Source: Proactive Investors

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