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A vertical borehole passes through a seam with a known dip at 43o. If the apparent thickness of the seam as shown by the borehole core is 2m, calculate: (a) the true thickness of the seam and (b) the gradient of the seam.
(a) True thickness

(b) Gradient of seam

Thus, Gradient is 1 in 1.072
Given the rate and direction of full dip of a plane or seam, find path gradients in three different...
Given the rate and direction of full dip of a plane or seam, find the apparent dip in any other dire...
Given the direction of full dip and the rate and direction of an apparent dip of a plane or seam, fi...
Given the rate and direction of full dip of a plane or seam, find the bearing of an apparent dip....
Calculate the height of an object from a baseline when its top and bottom is visible but not accessi...
Calculate the height of an object from a baseline when its top and bottom is visible but not accessi...
Calculate the height of an object from a baseline when its projected position to the ground is inacc...
Calculate the height of an object from a baseline when its projected position to the ground is inacc...