Uranio AG
Uranio AG starts detailed follow-up with Radon Soil Gas Detection System
Uranio AG / Miscellaneous Release of a Corporate News, transmitted by DGAP - a company of EquityStory AG. The issuer / publisher is solely responsible for the content of this announcement. ----------------------------------------------------------------------Uranio AG Hirschgässlein 30 Frankfurt: UAIWKN: A0MKD4 www.uranio.ch CH-4051 Basel Telefon: +41(61)271 27 70 Switzerland Telefax: +41(610271 27 71News Release 5-2008 Basel, 25th September 2008 URANIO STARTS DETAILED FOLLOW-UP ON SPECIFIC PROPERTIES IN ARGENTINA WITH RADON SOIL GAS DETECTION SYSTEM INTRODUCTION Uranio AG, under its wholly owned subsidiary Uranio del Sur S.A., has started detailed follow-up exploration on selected properties in Argentina. This follow-up, expected to define drill targets, will measure the isotopes radon (Rn222 isotope) and thoron (Rn220 isotope) using a Radon Soil Gas Detection System. This System, and several of the properties on which it will be used, is described below. RADON SOIL GAS DETECTION SYSTEM Uranium releases radon gas (Rn) consisting mainly of the radon isotope (Rn222). Thorium releases radon gas consisting of the thoron isotope (Rn220). Because radon is a noble gas it is very mobile and diffuses for considerable distances through fractured rock and soil. Field observations indicate that radon haloes occur 100 meters, or more, above parent uranium deposits. The two main isotopes of radon can be measured at the surface in soil gas. High soil gas values of radon(Rn222) and high radon(Rn222)/thoron(Rn220) ratios indicate uranium mineralization at depth. The recently obtained modern, field-portable and ruggedized instrumentation shown in Figure 1 allows the measurement of alpha radiation indicating even trace amounts of radon isotopes in soil gas. Consequently, radon in soil gas is used as a follow-up exploration technique and for detailed levels of exploration. Under favorable conditions the Radon Gas Detection System can sense uranium to a much greater depth than a scintillometer. The technique allows definition of anomalous areas that can be prioritized for drilling. Uranio has recently bought a field-portable and ruggedized Radon Gas Detection System (AB-5) from Pylon Electronics Inc., Ottawa, Ontario, Canada. It cost about US$15,000. Figure 1 is a picture showing the main features of this System. The soil gas is extracted by vacuum hand-pump through a probe that draws soil gas from the bottom of hole in soil that is about five centimeters in diameter and a third of a meter deep. This gas is filtered and then passed through a chamber coated with a phosphor. Alpha particles emitted from radon in the soil gas strike the phosphor and cause flashes of light that are photomultiplied; the resultant signal is read on a counter or scaler. Measurements at a given site can be taken in five to ten minutes. Anomalous areas can be detailed immediately as required. Operator Lic Pina Alvarez, dedicated to running this System, has been trained in its field use. Ing Juan Orozco, Uranio’s Resident Geologist at Chepes in the Province of La Rioja, Argentina, will target promising areas to be surveyed. Overall supervision will be provided by Dr Colin Godwin, Uranio’s Director of South America Exploration. ARGENTINA PROPERTIES SELECTED FOR INITIAL RADON SURVEYS The first priority for application of the Radon Gas Detection System will be on Uranio’s Olta-Malanzan uranium property (58,665 hectares) in the Province of La Rioja. This property has significant showings of unconformity-type uranium mineralization in basal rocks to a channel of Carboniferous-Permian sedimentary rocks that sits on underlying metamorphic and granitic rocks of the Sierra de Chepes Uplift. Known unconformity type showings on the side of the channel are partially leached of uranium. Consequently, the Radon Gas Detection System will search for richer uranium zones in the centre of the channel that apparently are covered by sandstone and soil, and which are blind to conventional scintillometer prospecting. Other Uranio properties that will be explored with the Radon Gas Detection System include: 1. The Chepes concessions (35,209 hectares) in the Province of La Rioja that is analogous to the Olta-Malanzan property, above, but more heavily covered with outwash sediments and soil. 2. The Color concession (10,000 hectares) in the Province of La Rioja that has one known unconformity type occurrence and might have roll-front deposits at depth (given that this property is close to the Los Mogotes Los Colorados Roll-Front Uranium Mine). 3. The Santa Rosa concession (9,800 hectares) in the Province of San Luis that has concentrations of uranium in caliche that is largely covered by soil. The above properties will be examined with the Radon Gas Detection System early in our continuing exploration. Definition of drill targets is anticipated. Other areas will be explored in due course. CONCLUSIONS Uranium exploration in Argentina offers exciting opportunities for major discoveries of new uranium mines. The Radon Gas Detection System surveys are expected to define drill targets on a number of properties. Four properties have been selected for the first surveys. These four properties target three distinctly different geological models. Results from the Radon Gas Detection System survey will be reported as appropriate. On behalf of the Board of Directors 'Dr. Peter Goeggel' President and Director Disclaimer: This document was prepared by Uranio AG. The opinions stated herein are those of Uranio AG at the time of publication and are subject to change at any time. The document is only for the purpose of information and use by its recipient. It is neither an offer nor an invitation to purchase or sell Uranio AG shares. A reference to the performance of the past shall not be understood as an indication of future developments. The information and analysis contained in this publication have been compiled from sources that are deemed to be reliable. However, Uranio AG gives no guarantee with regard to their reliability and completeness and rejects any claim for damages that may be the result of use of this information. 25.09.2008 Financial News transmitted by DGAP ----------------------------------------------------------------------
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