Inspection of SIPA West Warrego Project drill core - EL23992

Abstract

Selected intervals from SIPA Exploration NL (SIPA) drill holes WWD-001, -002, -003 and -004 were inspected. Ironstones were logged by SIPA in all four holes and the objective of the visit was to compare these ironstones with classical ironstones from within the adjoining Emmerson Resources Limited Tennant Creek tenements. The inspection revealed that although the intervals logged as ironstones by SIPA belong to the general Tennant Creek ironstone class, they are much more siliceous, commonly with both chlorite and quartz predominating over magnetite/hematite, to the extent that the lithologies could easily be mistaken as as Silicate>Oxide Facies Banded Iron Formations if the regional geological setting were not known. These ironstones have also been subject to an intense epidote-quartz alteration event (magnetite) which has locally resulted in metasomatic skarn-like textures. It is interpreted that this event may have been caused by the intrusion of the Warrego Granite (Devil's Suite).