** Shares of Australia's Cavalier Resources CVR.AX rise as much as 21.1% to A$0.460, an all-time high

** Mineral explorer says significant gold intercepts from Northern Development Area highlight potential for expansion and underground operation at Crawford Gold Project in Western Australia

** Around 252,000 shares change hands, nearly 3.6x 30-day average

** YTD, CVR up 350%

(Reporting by Keshav Singh Chundawat in Bengaluru)

((Keshav.singhchundawat@thomsonreuters.com))