Proyecto Masa Valverde Exploration Update

6 October, 2021

Positive drilling results from Proyecto Masa Valverde including significant high-grade zones from both Masa Valverde and Majadales massive sulphide deposits.

Atalaya Mining Plc (AIM:ATYM, TSX:AYM) is pleased to announce positive progress regarding ongoing resource definition drilling at Proyecto Masa Valverde (“Proyecto Masa Valverde”) in Huelva, Spain.

About Proyecto Masa Valverde

As announced on 21 October 2020, the Company entered into a definitive purchase agreement to acquire 100% of Proyecto Masa Valverde which includes the Masa Valverde polymetallic deposit, the Majadales discovery and the unexplored Campanario-Descamisada area.

Masa Valverde is a large single undeveloped massive sulphide deposit strategically located 28 km south of Atalaya’s 15 Mtpa mill at Proyecto Riotinto and 6 km south from Sotiel underground mine owned by MATSA recently acquired by Sandfire Resources (ASX:SFR). Refer to figure 1 on the Website Announcement.

Recent Drilling Highlights

The recent drilling campaign has intersected broad intervals of massive and stockwork type polymetallic sulphide mineralization including significant high grade intercepts at both Masa Valverde and Majadales.

…… the announcement continues. Download the entire announcement here (1.56MB pdf)



Newgate Communications Elisabeth Cowell / Adam Lloyd / Tom Carnegie + 44 20 3757 6880
4C Communications Carina Corbett +44 20 3170 7973
Canaccord Genuity (NOMAD and Joint Broker) Henry Fitzgerald-O’Connor / James Asensio +44 20 7523 8000
BMO Capital Markets (Joint Broker) Tom Rider / Andrew Cameron +44 20 7236 1010
Peel Hunt LLP (Joint Broker) Ross Allister / David McKeown +44 20 7418 8900


About Atalaya Mining Plc

Atalaya is an AIM and TSX-listed mining and development group which produces copper concentrates and silver by-product at its wholly owned Proyecto Riotinto site in southwest Spain. Atalaya’s current operations include the Cerro Colorado open pit mine and a modern 15 Mtpa processing plant, which has the potential to become a centralised processing hub for ore sourced from its wholly owned regional projects around Riotinto that include Proyecto Masa Valverde and Proyecto Riotinto East. In addition, the Group has a phased, earn-in agreement for up to 80% ownership of Proyecto Touro, a brownfield copper project in the northwest of Spain. For further information, visit