PAN GLOBAL DOUBLES SIZE OF SOIL GEOCHEMISTRY ANOMALY AT BRAVO TARGET, ESCACENA PROJECT
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- Soil lead-zinc (Pb-Zn) anomaly area doubles to 1.7km x 1.0km at the high-priority Bravo target
- Coincident with a strong 2.0km x 1.5km gravity anomaly
- Soil geochemistry survey expanded to investigate the area between Bravo target and the La Romana discovery
- Bravo located on-trend between the La Romana copper-tin-silver discovery and Grupo México's Aznalcóllar and Los Frailes deposits
"The new soil sample geochemistry and gravity survey results further support our view that the large Bravo target could represent concealed volcanogenic massive sulphide (VMS) mineralization beneath shallow cover, similar to Pan Global's nearby La Romana copper-tin-silver discovery. The new survey results double the size of the lead plus zinc surface anomaly from the initial soil sampling reported last month and confirm a large coincident gravity anomaly," said
The Bravo target is located 1.5km east of Pan Global's La Romana copper-tin-silver discovery and 4.5km southwest of Grupo México's Aznalcóllar and Los Frailes volcanogenic massive sulphide deposits. The target is mostly covered by post-mineral rocks and sediments and has never been drill tested.
A total of 1,188 soil samples, including 57 duplicates, were collected as part of the expanded Bravo survey. The soil samples were collected on a 40-meter spacing along lines 100 meters apart. Each sample was analyzed using a hand-held x-ray fluorescence ("pXRF") device. Spatial interpretation of the pXRF results confirms a Pb plus Zn soil anomaly extending over 1.7km east-west and up to 1.2km north-south. Samples range from 300ppm to 1,252ppm combined Pb+Zn, including up to 1,115ppm Pb and 886ppm Zn.
A total of 67 soil samples from two lines over the Bravo target were also assayed for multi-element geochemistry by ALS laboratory to check and compare accuracy of the pXRF results. The results confirm a close correlation of the Pb and Zn assay values with the pXRF results and also show anomalous Ag values up to 5.2g/t (not analyzed by the pXRF) coincident with the Pb+Zn and gravity anomalies.
The initial Bravo ground gravity survey is complete, with results obtained from 788 stations on a 100m x 100m, and 100m x 50m grid over the main target area. The results confirmed a strong (>1.2 mGal) gravity anomaly with surface dimensions approximately 2.0km x 1.5km.
Next steps include:
- detailed modelling of the final gravity data, followed by;
- induced polarization and/or electromagnetic survey lines over the peaks of the gravity plus geochemistry anomalies to provide additional three-dimensional information; and,
- prioritize drillhole positions.
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The soil geochemistry survey includes samples collected from the top 20cm from surface (un-sieved, weighing approx. 1kg) on a 100m x 40m grid over the gravity target area. The samples are collected in plastic bags, and a multi-element analysis obtained using an Olympus Vanta hand-held x-ray fluorescence ("pXRF") device. Analyses are repeated on 1 per 20 samples, and standards analyzed to check for deviation.
Additional samples were sent to the ALS laboratory in
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Álvaro Merino. Vice President Exploration for
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