Lewis Short
talutatium (noun N) : ; mining t. t.
* The superficial indication of the presence of gold under the earth: cum ita inventum est in summo caespite, talutatium vocant, si et aurosa tellus subest,Plin. 33, 4, 21, ยง 67 (Sillig, talutium).
Charlton T. Lewis, Charles Short, A Latin Dictionary