** Shares of Reach Resources RR1.AX double to A$0.004,
their biggest intraday pct gain since early June, 2021
** Stock pares gains slightly; last up 75%
** Mineral explorer says it has signed an earn-in and joint
venture agreement with a unit of Delta Lithium DLI.AX
** Delta Lithium to earn an initial 51% joint venture
interest in Morrissey Hill and Camel Hill Lithium Projects,
which can be increased to 80% over the next 2 years
** About 59.2 mln shares change hands, 6.7x the 30-day avg
volume
** Stock down 12.5% YTD
(Reporting by Neha Soni in Bengaluru)
((Neha.Soni@thomsonreuters.com))