The figure below shows a map of the Bouguer gravity anomaly measured over a well known massive sulphide depositin Labrador. The contour interval is 0.6 mgal (a) What does the positive Bouguer anormally reveal about the density of the ore body!
The figure below shows a map of the Bouguer gravity anomaly measured over a well known massive sulphide depositin Labrador. The contour interval is 0.6 mgal
(a) What does the positive Bouguer anormally reveal about the density of the ore body!
(b) Consider the profile AB. What is the hall width of the Bouguer anomaly?
(c) Assume the ore deposit is a sphere. Estimate the depth of the are body.
(d) What is the excess mass of the deposit?
(e) Assume that the density contrast of between the one body and the host rock is 500 km m^-3. Estimate the radius of the deposit
(f) What is meant by co-uniqueness in geophysics. Describe one way in which the interpretation in this question is non-unique.
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