RE: Havieron2 Jun 2020 15:40
Here's the write-up for the Paterson Range East primary targets.
Goliath: Originally identified as a very high amplitude bulls-eye magnetic feature in
Greatland’s recent aeromagnetic survey, Goliath is interpreted to be a metasedimentry
dome with the magnetic anomaly at the fold hinge position. New gravity data shows a very
large amplitude anomaly semi-coincident with the magnetic anomaly (Figure 4). Three
historic drill holes were completed in the early 1990s off the northern edge of the magnetic
anomaly failed to reach Proterozoic basement (OCE0102 - hole depth 88m).
Los Diablos: A bulls-eye high intensity magnetic anomaly located in a structurally favourable
position (interpreted hinge zone of a folded sequence of metasedimentary rocks). The
gravity response is of moderate to high amplitude and coincident with the magnetic feature
(Figure 5). Three historic holes targeting the southern edge of the magnetic anomaly were
drilled in the early 1990’s. These holes failed to adequately test the magnetic and gravity
anomalies (CAW07 - hole depth 70m).
Prefect: A high amplitude magnetic anomaly with a semi-coincident moderate amplitude
gravity anomaly. One historic hole drilled in 1995 (PRD9501 hole depth 192m) penetrated
basement and drilled metasediments, a diorite dyke and granite. The centre of the gravity
response is 200m west of the historic drill hole, whilst the magnetic feature has not been
adequately tested due to its depth extent (Figure 6).
Atlantis: Characterised by two distinct east-west trending high amplitude magnetic
anomalies on the western edge of the tenement. Ground gravity surveying has defined three
targets. The northern most target was drilled in 1995 (ATD9501 – hole depth 267.6m).
Greatland’s 3D modelling of the magnetic data suggests this hole was terminated
prematurely. The remaining targets are untested (Figure 7).
So all 4 primary targets had historic drilling that ALL failed to either intersect the basement sequence or when it did it didn't go deep enough according to GGP's modelling - now where have we heard that before????
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