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The chromitite mineralization does not have a notably strong magnetic susceptibility, compared with serpentinized dunite and peridotite which are both common in the area around Eagle One, Eagle Two, and the Blackbird One Deposits. Chromite is an electrical insulator hence there is no EM expression from the chromite deposit despite the presence of traces of interstitial sulfide minerals in the massive chromitite.
A useful characteristic of chromite is its high density, around 4.5, which is similar to that ofmagnetite and pyrrhotite. Massive chromite therefore has an anomalously high density compared even with ultramafic rocks and is detectable by gravity survey when it exists in sufficient tonnages.
The demonstration of a detectable gravitational response to the massive chromitite at the Blackbird One Deposit has been used to infer the presence of another body of chromitite some
900 metres long striking 60° away from the AT2 area. A single diamond drill hole through the highest part of the density anomaly at line 4000E cut two bodies of massive chromitite, each with apparent thicknesses of approximately 20 metres. The new mineralized zone has been named the Blackbird Two Deposit.
They've taken the guess work out of finding the chromite. These guys are Gooooodddd.
I recommend a pay increase to our geo's!
96klite