Southern Hemisphere Mining Limited

Southern Hemisphere Mining Limited

May 20, 2008 09:30 ET

Southern Hemisphere Mining Limited: Further Drilling Results from the Las Santas Project and Sampling at the San Jose Project

TORONTO, CANADA--(Marketwire - May 20, 2008) - Southern Hemisphere Mining Limited (TSX VENTURE:SH) ("Southern Hemisphere" or the "Company"), is pleased to announce an update from going work on the La Santas project and initial rock chip sampling from the San Jose project.

Las Santas

Phase 1 of RC drilling at the Las Santas project, located in the Salamanca district of Region IV in central-northern Chile is complete and assays are awaited. Recent results from a surface geochemical soil program, that extended the previous soil survey at Las Santas, have confirmed and further defined the mineralized Cerro Marcoleta porphyry system. The geochemical soil data has defined a central core zone anomalous in Cu and Mo with periphery zones of gold and silver and zinc.

The reverse circulation program was terminated earlier than anticipated after 15 holes because of intense silicification below 100m and high water flows which severely hampered the testing of geophysical/geochemical targets and specifically the target zone directly below the mineralized Cerro Marcoleta porphyry. As a consequence, the commencement of the planned diamond drilling program for Las Santas has been brought forward and contracts for quotation for the work are currently being prepared.

The new soil sampling data, in conjunction with geophysical and rock chip data, and the initial RC drill data has confirmed that the Cerro Marcoleta porphyry represents a significant and previously unrecognised mineralized porphyry copper target within the Las Santas property.

San Jose

Geological mapping at the San Jose project located in the Chillan district of Region VII in central-southern Chile, commenced in April 2008. The work has identified a mineralized porphyry with disseminated sulphides, veins, stockworks and hydrothermal breccias all with visible chalcopyrite. Results from the initial reconnaissance surface sampling have returned the following results:

Sample No Cu Mo Ag Description
% ppm g/t
SJ 1 0.54 32 1.7 Granodiorite disseminated sulphides
SJ 3 0.30 183 10.6 Veining in granodiorite
SJ 4 1.73 249 13.4 Veining in tonolite
SJ 7 4.24 3 14.6 Contact breccia
SJ 8 0.9 4 3.7 Diorite breccia
SJ 9 1.03 3 4.1 Granodiorite disseminated sulphides
SJ 11 0.7 63 2.2 Porphyry
SJ 12 0.2 19 0.8 Veining in granodiorite

Ongoing exploration includes geological mapping, surface soil sampling and a reconnaissance drilling program which is scheduled to commence during the end of May, 2008.

All analyses referred to above were completed by ALS Chemex at the La Serena and Perth Laboratories, both of which are accredited analytical facilities. Check and duplicate sample analyses confirmed that all results were within acceptable industry limits for precision and accuracy.

The independent ASTER image processing and interpretation was completed by Dr R Agar of Australian Geological & Remote Sensing Services, Perth Australia.

Russell Birrell, designated as the qualified person defined by the National Instrument 43-101, prepared the data as described in this release.

About Southern Hemisphere Mining Limited

Southern Hemisphere is a South American focused resource company focused on exploring for large tonnage copper resources in Chile. The Company currently has four projects in Chile covering approximately 177 km2 of prospective exploration ground covering three mineralized porphyry copper systems. These projects, La Santas, El Arrayan, Mantos Grandes and San Jose, are all located within the Chilean copper belt and in the case of two of the projects are in close proximity to existing large copper or copper /gold mining operations.


Contact Information

  • Southern Hemisphere Mining Limited
    Clark Kent
    Investor Relations
    Southern Hemisphere Mining Limited
    Trevor Tennant