(ShareCast News) - Shares in Arian Silver jumped almost 15% early on Thursday after the silver explorer released detailed provisional terms of its loan note with Quintana AGQ.Under the terms of the amendment, which remains subject to approval from both companies and from the Toronto Venture Stock Exchange, the value of the loan note Arian received in October last year will be increased by $1.5m to a total of $10m.The London-listed company said the additional loan notes are expected to be issued on the same terms as the existing notes and added it expects the maturity date of the notes to be extended by four years.Arian shares were up 6.67% to 10.00p at 0847 BST on Thursday.