Ore and Alteration Types of the Gold and Copper …
Two ore and three alteration types were identified in the Lascogon Project of Philex Gold Philippines, in Surigao del Norte, Mindanao Island, Philippines. The jasperoid ore is the host to the Carlin-like gold mineralization in the Lascogon and Danao prospects.

Bonanza-Sandy vein system
Epithermal mineralization of the Bonanza-Sandy vein system, Masara Gold District, Mindanao, Philippines Research - Authors Gabo-Ratio, Jillian Aira ; Buena, Alfred Elmer ; Villaplaza, Barbie Ross B. ; Payot, Betchaida D. ; Dimalanta, Carla B. ; Queaño, Karlo L. ; Andal, Eric S. ; Yumul, Graciano P.AbstractThe Masara Gold District in ...

Structural control of low-sulfidation epithermal gold
Epithermal gold mineralization in the Rosario–Bunawan district and the Co-O mine is confined to narrow (0.2–4 m) low-sulfidation quartz–chalcedony–calcite veins in volcanic and volcaniclastic wall rocks.

Epithermal mineralization of the Bonanza-Sandy vein system, Masara Gold
The Masara Gold District in southeastern Mindanao island is an area of prolific hydrothermal copper and gold mineralization. This study documents the mineralization characteristics of the...

Geological features of some epithermal gold systems, Philippines
The district, where mechanized mining began at Antamok in 1903, has produced over 800 tonnes of gold ( B.W. Worley in de Guzman, 1988), of which at least three-quarters is from epithermal veins, the remainder …

(A) Geological map of the Masara Gold District showing the …
Exploration markers for gold mineralization in the Masara Gold District and vicinity include the presence of Lamingag Intrusive Complex and massive sulfide veins.

Major Mines & Projects | Co-O Mine
The Co-O deposit is an intermediate sulphidation, epithermal gold (+Ag ±Cu±Pb±Zn) vein system. The deposit is located in the Eastern Mindanao volcano-plutonic belt of the Philippines.

Epithermal mineralization of the Bonanza-Sandy vein system, Masara Gold
Abstract. The Masara Gold District in southeastern Mindanao island is an area of prolific hydrothermal copper and gold mineralization. This study documents the mineralization characteristics of the NW-trending Bonanza-Sandy epithermal veins to constrain possible hydrothermal fluid sources and ore-forming mechanisms.

A.) Location map showing the major gold districts (red boxes…
The Masara Gold District in southeastern Mindanao island is an area of prolific hydrothermal copper and gold mineralization. This study documents the mineralization characteristics of the...

Gone is the gold: The vanishing mineral riches of Eastern Mindanao
Despite an abundance of the yellow metal in Region XI, a massive drop in gold-buying has trade tax collectors, bankers, and environment officials bewildered at its decline. The culprit? A burgeoning underground, smuggler's market.
