Surveying Flashcards
excavation made at the bottom of a shaft to collect water
sump
horizontal passage or drift which starts from shafts and are commonly spaced at regular intervals
level
construction at a top of a shaft which houses hoisting equipment
headframe
vertical/inclined opening drive upwards in ore from a level
raise
wall/rock under a vein or other steeply inclined mineral formations
footwall
wall/rock on the upper side of steeply inclined deposits
hanging wall
vertical/inclined opening driven downwards from a point inside the mine for the purpose of connecting with a lower level
winze
mined rocks that do not contain minerals
waste
elevator for workers and materials in a mine shaft
cage
mineral deposit that can be worked at a profit under existing economic conditions
ore
vertical/diagonal opening between levels to permit movement of ore by gravity
ore pass
thin deposit of minerals between definite boundaries
vein
exposed part of the vein
outcrop
for dewatering of water
adit
line of intersection between vein and horizontal plane
strike
angle inclination of the vein from horizontal plane
dip