Sentence examples for contour mining from inspiring English sources
Contour mining progresses in a narrow zone following the outcrop of a mineral seam in mountainous terrain.
The common strip-mining techniques are classified as area mining or contour mining on the basis of the deposit geometry and type.
That includes methods other than mountaintop removal mining like contour mining--it is hard to get great data about MTR sites explicitly.
However, smaller operations called "highwall," "contour," and small "area" mines would likely continue.
Permanent impoundments on reclaimed surfaces are delineated on the Mine and Reclamation Plan Map titled "Post-mining Contours with Hydrologic Restoration".
It was the best thing I had ever drawn, and I realized that I hadn't drawn it as I had imagined, God's hand finally resting on mine to steal a true contour from the world.
In simulation, the mining stress borderline was defined as the contour where the induced stress is 1.5 times of the original stress.
Wyoming mines must follow the requirements of an Approximate Original Contour (AOC) type topography where surface configuration achieved by backfilling and grading of mined areas must closely resemble the general surface configuration of the land prior to mining and complement the drainage patterns of the surrounding terrain (Wyoming State Rules and Regulations 2017).
Rose diagram and contour poles of all the surveyed joints in the mine area are shown in Fig. 6.
Open image in new window Fig. 6 a Contour curve, b Rose diagram for all the surveyed joints in the mine area and their related joint sets.
