Three Theories for the Great Silence, page-135

For any one that is interested put a Placemark in google earth and copy these coordinates in and you can see where they are relative to each other.

Mustangs Alpha Deposit

Latitude 13° 0'6.95"S
Longitude  39° 7'13.52"E

Caula Drill Area (Graphite)

Latitude 13° 3'46.47"S
Longitude 38°51'18.77"E

Gemfields

Latitude 13° 5'19.77"S
Longitude   39°20'29.99"E

Syrah Resources

Latitude 13°18'31.43"S
Longitude 38°39'22.18"E