Hasn't Miss Elvan mentioned it?
"Will Warburton" by George Gissing
Similar ore occurs in Victoria, in Elvans in Porphyry, but it also occurs in Tertiary rocks.
"Explorations in Australia" by John Forrest
Elvan, meaning of the word, 273.
"Notes and Queries, Index of Volume 5, January-June, 1852" by Various
The same observation applies to killas and the granitic porphyry called elvan.
"A Manual of Elementary Geology" by Charles Lyell
May it not perhaps be derived from a place called 'Elvan?
"Notes and Queries, Vol. V, Number 125, March 20, 1852" by Various
Elvan Ceyhan is an assistant professor in the Department of Mathematics at Ko¸c University, Istanbul, Turkey.
On the Use of Nearest Neighbor Contingency Tables for Testing Spatial Segregation