Geology and Mineralization | Lundin Gold Inc.

Geology and Mineralization The Fruta del Norte deposit is an intermediate sulphidation epithermal gold–silver deposit measuring approximately 1,670 m along strike, 700 m down dip, and between 150 m and 300 m wide. The top of the deposit is covered by approximately 200 m of post mineralization rocks.

Investigation of non pristine volcanic structures acting ...

2005-1-1 · Investigation of non pristine volcanic structures acting as probable hosts to epithermal gold mineralization in the back arc region of the active Aegean arc, using combined satellite imagery and field data: examples from Lesvos volcanic terrain. Author links open overlay panel C. Vamvoukakis 1 K. St. Seymour 1, 2, M. Kouli 1 S. Lamera 1 G. Denes 2.

Epithermal Gold and Silver in Newfoundland and Labrador

2019-9-27 · Epithermal deposits typically form above the level of Porphyry Cu-Au deposits (Figure 4). Most rock types can host epithermal gold deposits; however, they are most commonly found in igneous and sedimentary rocks. Typically, epithermal deposits are younger than their enclosing or …

Epithermal | Mining Geology HQ

Epithermal deposits are important sources of gold and silver, representing about 30% of total gold metal production per year. There are two principal styles of epithermal mineralization: low sulphidation (LS) and high sulphidation (HS) …

Epithermal Gold for Explorationists | Australian Institute ...

Epithermal gold (± Cu & Ag) deposits form at shallower crustal levels than porphyry Cu-Au systems, and are primarily distinguished as low and high sulphidation using criteria of varying gangue and ore mineralogy, deposited by the interaction of …

VEIN DEPOSITS

Epithermal Gold and Silver in Newfoundland and Labrador

Geology of the Sari Gunay Epithermal Gold Deposit ...

2006-12-1 · The Sari Gunay epithermal gold deposit is located within a mildly alkaline latitic to trachytic volcanic complex in central-northwest Iran. Intrusive and volcanic rocks that host the deposit have been dated at between 11.7 and 11.0 Ma (with one younger sample at 8.0 Ma; 40 Ar/ 39 Ar dating of igneous biotite and hornblende), whereas sericitic alteration associated with …

Geology and Gold-Silver Mineralization in the Guadalupe …

2001-1-1 · The project covers approximately 88 km 2 and hosts four major epithermal gold- and silver-bearing quartz veins, breccias, and stockwork zones with a combined strike length in excess of 14 km. Historically, three of these structures supported underground mining operations. The Guadalupe structure was mined as early as 1772, with the most active ...

Gold Deposits of the Carolina Slate Belt, Southeastern ...

2012-12-11 · Gold Hill trend, North Carolina, are hosted primarily by laminated mudstone and felsic volcanic to volcaniclastic rocks. The high-sulfidation epithermal style of gold mineralization at Brewer and low-sulfidation gold ores of the Champion pit at Haile occur in breccias associated with subvolcanic quartz

A Low‐Sulfidation Epithermal Mineralization in the River ...

2019-6-21 · The low-sulfidation epithermal deposit in the River Reef Zone, the Poboya Prospect, illustrates the potential of the West Sulawesi Arc, particularly along the Palu-Koro Fault Zone, to host epithermal gold mineralization.

Geological setting and timing of the Chah Zard breccia ...

2011-8-26 · Persian Gold formed a joint venture partnership with the property owner in 2006 to explore the deposit further and to hold an option to acquire a 70% equity interest in the project. On the basis of an ore deposit model for epithermal mineralization, Persian Gold geologists sampled the area that hosts a large zone of hydrothermal alteration ...

Epithermal | Mining Geology HQ

Epithermal deposits are important sources of gold and silver, representing about 30% of total gold metal production per year. There are two principal styles of …

Geology, Alteration, and Mineralization of the Kay Tanda ...

The Kay Tanda epithermal Au deposit was formed in an evolving hydrothermal system, which is composed of two mineralization styles: (i) an early-stage Au-Ag mineralization hosted in quartz stockworks at the shallower levels of the deposit …

Epithermal deposits in New Mexico

2021-1-11 · Geology and mineralization of the Hermosa mining district, Sierra County, New Mexico M. D. SHEPARD 17 Geology, character, and controls of epithermal silver mineralization in the Carbonate Creek area, Kingston, New Mexico V. M. CANBY & R. L. EVATT 25 Geology of the Dripping Gold Prospect, Mogollon mining district C. A. WOLFE 33

(PDF) Epithermal gold deposits. Styles, characteristics ...

1995-9-30 · These two styles of epithermal mineralization (White and Hedenquist, 1990) are also known as the adularia-sericite and acid-sulfate types, …

(PDF) Epithermal mineralization of the Bonanza-Sandy vein ...

2021-11-2 · 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 ...

Epithermal gold veins in a caldera setting: Banská Hodruša ...

2005-2-10 · The central zone of the large Miocene Štiavnica stratovolcano in the Western Carpathians hosts epithermal Au mineralization of intermediate-sulfidation type, located at deep levels of the historic Rozália base-metal mine at Banská Hodruša. The Au mineralization occurs as subhorizontal veins at the base of pre-caldera andesites, close to the roof of a subvolcanic …

The Genesis of the Epithermal Gold Mineralization at …

2021-8-18 · The Glojeh ore mineralization is located in NW of Iran (Fig. 2), and is one of several epithermal ore deposits in THMP (Fig. 3). The THMP with 70 to 150 km width, 300 Km length and NW orientation hosts numbers of precious metals and polymetallic epithermal deposits Eocene to associated with the Oligocene volcano-plutonism.

Riverside Resources Inc.

2021-12-14 · The Cecilia Project is a district scale gold and silver low sulfidation epithermal system centered on multiple mineralized rhyolitic flow-dome complexes. Mineralization is related to structures of N30W and N70E with high grades assayed at the intersection of these structures.

Thesis Gold Inc.: Thesis Gold Identifies Epithermal and ...

2021-12-10 · The Toodoggone mining district is well known for porphyry mineralization with Centerra Gold''s Kemess gold-copper porphyry deposit only 60 kilometres southeast of …

Thesis Gold

Ranch Gold-Silver Project. The Ranch Project Is Located In The Prolific ''Golden Horseshoe'' The Ranch Property covers 178 km 2 of highly prospective rocks in the northeastern region of the prolific metal-endowed Stikine Terrane, British Columbia, Canada. Magmatic events in Stikine during the Late Triassic and Early Jurassic were the driving source for the development of …

Epithermal Gold Deposits Part 1!

2010-9-19 · Epithermal Gold Deposits Part II Geology and Gold Deposits of the Oatman District, Northwestern Arizona By Ed DeWitt, Jon P. Thorson,1 and Robert C. Smith2 Abstract Mines in the Oatman mineralized district, near Oatman in northwestern Arizona, have produced more than 1.98 million ounces of gold from mid-Tertiary, epithermal, silver-

Characteristics of a low-sulfidation epithermal deposit in ...

Characteristics of a low-sulfidation epithermal deposit in the River Reef Zone and the Watuputih Hill, the Poboya gold prospect, Central Sulawesi, Indonesia: Host rocks and hydrothermal alteration Syafrizal, Tomy Alvin Rivai, Kotaro Yonezu, Damar Kusumanto, Koichiro Watanabe, Arie Naftali Hawu Hede

Characteristics of High Sulphidation Epithermal Gold ...

2019-3-22 · Gold-Silver "barren" steam heated cap rock can conceal a large ore body Exploration challenge to identify zones of mineralization within much larger "barren" alteration systems Epithermal pathfinder elements are used to prioritize exploration drilling, as they can form a plume above concealed ore bodies

【9.8—9.9】Porphyry Cu-Au-Mo Mineralization Systems ...

2018-6-25 · The Central Asian, Tethyan and Pacific Metallogenic Domains, located in the north orogenic belt of China and in nearby countries, host a series of large and super large porphyry deposits. There are various mineralization styles including porphyry copper, porphyry molybdenum, porphyry gold, porphyry copper-molybdenum (gold) and epithermal gold/silver.

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