Manhattan Minerals (MAN.T) Message Board

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Gold/Mining/Energy : Manhattan Minerals (MAN.T)

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To: Jeff Dickson who wrote (2940)	7/9/1999 9:27:00 AM
From: Bruce Robbins	Read Replies (1) of 4504

Jeff, Off the top of my head, sulfides on average are going to be 5-10 times denser than a felsic dike and perhaps 2-5 times denser than a mafic dike. If there are very small density differences between units, it will be very difficult to interpret a gravity survey, but in this case no. The oblong shape can be due to several things- perhaps we are in a basin, or IMO along a large fault system which was initially the feeder zone for the VMS at TG-1 and TG-3. The long axis of the gravity anomaly points to TG-1? The dike at hole 2 disrupts the main gravity anomaly caused by the VMS so that we have a gravity high around holes 1, 4 and 5 and another around holes 3, 6, 8. IMO the VMS goes continuously from hole 9 to hole 10. This main mass is cut by one or several small NW trending dikes near hole 2. IMO there should be more VMS mineralization SE of holes 4 and 5. Very good comments. Are you a geologist Jeff?

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