Costean
Encyclopedia
Costeaning is the process by which miners seek to discover metallic lode
s. It consist in sinking small pits through the superficial deposits to the solid rock, and then driving from one pit to another across the direction of the vein
, in such manner as to cross all the veins between the two pits.
Lode
In geology, a lode is a deposit of metalliferous ore that fills or is embedded in a fissure in a rock formation or a vein of ore that is deposited or embedded between layers of rock....
s. It consist in sinking small pits through the superficial deposits to the solid rock, and then driving from one pit to another across the direction of the vein
Vein
In the circulatory system, veins are blood vessels that carry blood towards the heart. Most veins carry deoxygenated blood from the tissues back to the heart; exceptions are the pulmonary and umbilical veins, both of which carry oxygenated blood to the heart...
, in such manner as to cross all the veins between the two pits.