shoad
verbEtymology From Middle English shode, schode, from Old English ġescēad (“separation, distinction, discretion, understanding, argument, reason, reckoning, account, statement, accuracy, art, manner, method”), from Proto-Germanic *skaidą (“separation, distinction”), from Proto-Indo-European *skey- (“to cut, divide, separate”). Related to Old English scādan (“to separate, divide, part, make a line of separation between”). More at shed.
Business, Mining To seek for a vein or mineral deposit by following a shode, or tracing them to whence they derived.
- In shoading it is necessary to distinguish between heavy and light ores, and between friable and hard materials.1879, William Bailes, Student's Guide to the Principles of Coal & Metal Mining, page 89:
- It is manifest from the position of the neck that the great mass of material removed by denudation in forming the hollow in which it is seen exposed, must have been washed down the stream in question, and had diamonds occurred in that mass it is highly improbable that none should have been left in the bed and banks of the stream where their existence would certainly have been discovered by the old diamond seekers in former generations, who would have “shoaded” up the stream and have inevitably reached the neck.1889, Records of the Geological Survey of India, page 41:
1 more example
- Until about 1875, the ancient methods of prospecting for a deposit whose presence was suspected from evidence such as the above were still in common use. they included shoading, trenching, and hushing.1967, Charles Joseph Singer, A History of Technology - Volume 4, page 67:
- Among the fragments shoaded down the sloping surface of the ground are pieces of edgewise intraformational conglomerate.1941, Royal Society of South Australia, Transactions of the Royal Society of South Australia, page 307:
- The discovery of davidite at Radium Hill was made in 1906, by Mr. A. J. Smith, who mistook the black shoaded mineral for tin ore.1958, Australian Atomic Energy Commission, Australian Atomic Energy Symposium, 1958, page 44:
2 more examples
- Several outcrops were originally pegged in the hope that the shoaded black mineral would prove to be tin ore.2013, Arthur John Gaskin, H. R. Samson, Ceramic and Refractory Clays of South Australia, page 7:
- They are to be seen projecting in relief from the outcrops and shoaded on the surface.1911, Sir Douglas Mawson, Walter Howchin, Chiastolites from Bimbowrie, South Australia, page 196: