Cropping - What does it mean?
cropping | |
(mining)
* 1905 , Waldemar Lindgren, The Copper Deposits of the Clifton-Morenci District, Arizona (page 207)
* 1912 , John Mason Boutwell, ?Lester Hood Woolsey, Geology and ore deposits of the Park City district, Utah (page 121)
cropping
English
Verb
(head)Noun
(en noun)- Their croppings are either entirely barren or contain only a moderate amount of copper, but much richer ore is ordinarily found just above the chalcocite zone.
- The cropping of the Quincy ore-bearing bed, the equivalent of the Daly West bed, is stated to have been found at the east end of the present mine and just below the present wagon road.