Sulfide minerals

West Mining Continues to Intercept Quartz-Sulphide Veining and Associated Alterations in 5th and 6th Holes on the Starlight Trend of the Daylight Property, BC

Retrieved on: 
Wednesday, August 4, 2021
Minerals, Sulfide minerals, Sphalerite, Chalcopyrite, Pyrite

Currently the Starlight veining and sulphide zone averages 25 metres true width with large discrete outlier quartz veins also exhibiting strong mineralization.

Key Points: 
  • Currently the Starlight veining and sulphide zone averages 25 metres true width with large discrete outlier quartz veins also exhibiting strong mineralization.
  • Drill holes DL21-13 and DL21-14 display abundant sulphides, particularly pyrite, chalcopyrite and sphalerite, along with occasional native gold grains.
  • Holes DL21-09 and DL21-10 were located 130 metres to the northwest of the two current holes and holes DL21-11 and DL21-12 were an additional 80 metres further northwest.
  • The fact that the system is visually strengthening in the direction of the most recent drilling, indicates the strong possibility of strike extension.

ArcPacific Completes First Ever Trenching at Blackdome

Retrieved on: 
Monday, July 26, 2021
Minerals, Sulfide minerals, Physical sciences, Economic geology, Earth sciences, Disulfides, Pyrite, Pyrite group, Vein

Trenching at the Stibnite Zone discovered new veins in outcrop that have now been exposed over 35 meters and show epithermal characteristics including banding, cockscomb and vuggy textures.

Key Points: 
  • Trenching at the Stibnite Zone discovered new veins in outcrop that have now been exposed over 35 meters and show epithermal characteristics including banding, cockscomb and vuggy textures.
  • The newly identified quartz veins strike in a northeast direction, are steeply dipping and are individually up to 60 centimeters wide.
  • Trenching at the West Zone also successfully exposed epithermal quartz veining over an additional 10 meters from an outcrop occurrence historically containing 4.59 g/t gold from selective grab sample.
  • Samples taken from these zones were predominantly quartz and quartz carbonate vein material visually containing up to 1% fine grained pyrite+/-arsenopyrite+/-chalcopyrite.

Atico Drills Additional High-Grade Copper-Gold Massive Sulphide Mineralization, Intercepting 3.32% Cu, 5.91 g/t Au, 74.51 g/t Ag and 4.70% Zn over 9.60 meters at La Plata Project in Ecuador

Retrieved on: 
Thursday, July 15, 2021
Minerals, Sulfide minerals, Sphalerite, Chalcopyrite, Pyrite

Gold-bearing sulphide mineralization at La Plata occurs as compositional banding composed of chalcopyrite, sphalerite and pyrite laminae with barite occurring as clasts and also as layers.

Key Points: 
  • Gold-bearing sulphide mineralization at La Plata occurs as compositional banding composed of chalcopyrite, sphalerite and pyrite laminae with barite occurring as clasts and also as layers.
  • The mineralized lenses have also been dislocated by a few faults and dolerite dikes cutting the body.
  • Atico is a growth-oriented Company, focused on exploring, developing and mining copper and gold projects in Latin America.
  • The Company generates significant cash flow through the operation of the El Roble mine and is developing its high-grade La Plata VMS project in Ecuador.

Golden Goliath Discovers New Gold Bearing Shear Zone at Kwai - Pakwash Property, Red Lake, Ontario

Retrieved on: 
Tuesday, May 25, 2021
Minerals, Sulfide minerals, Chalcopyrite, Pyrite

trend on the south side of Beauregard Lake has produced an important gold value hosted in sericite schists with associated pyrite and minor chalcopyrite.

Key Points: 
  • trend on the south side of Beauregard Lake has produced an important gold value hosted in sericite schists with associated pyrite and minor chalcopyrite.
  • Hole K21-21 drilled on line 1600E intersected 824 ppb gold over 1 metre from 103 - 104 m in rocks dipping south at 80 deg.
  • This survey will track the sulfide zone and the parallel package of felsic volcanics within and parallel to the Pakwash fault.
  • The Company is focused on exploring and developing the gold and silver potential of properties in the Red Lake District of Ontario.

K9 Gold Completes IP Survey at Stony Lake, NL; New Anomalies Revealed

Retrieved on: 
Wednesday, May 19, 2021
Minerals, Sulfide minerals, Crystallography, Geophysical imaging, Disulfides, Pyrite, Pyrite group, Arsenopyrite, Induced polarization, IP

The survey was carried out by Simcoe Geoscience, using their Alpha IPTM Wireless Time Domain Induced Polarization (IP) system.

Key Points: 
  • The survey was carried out by Simcoe Geoscience, using their Alpha IPTM Wireless Time Domain Induced Polarization (IP) system.
  • Preliminary interpretation of the IP data has confirmed several previously identified airborne geophysical anomalies that coincide with areas of coincident pyrite and arsenopyrite and weak-moderate gold mineralization in the Botwood sandstone.
  • A new zone has been discovered on the western side of the survey grid, west of the Bay d\'Espoir highway.
  • "\nNews Releases from other companies active in the Central Newfoundland Gold Belt continue to increase the profile of this newly emerging gold district.

Ridgestone Announces Exploration Completed at Rebeico Copper-Gold Project, Mexico

Retrieved on: 
Wednesday, May 19, 2021
Minerals, Sulfide minerals, Crystallography, Chemistry, Molybdenite, Chalcopyrite, Pyrite

b'Vancouver, British Columbia--(Newsfile Corp. - May 19, 2021) - Ridgestone Mining Inc. (TSXV: RMI) (OTCQB: RIGMF) (FSE: 4U5) ("Ridgestone") is pleased to announce it has completed another phase of exploration at its wholly-owned Rebeico project in Mexico.

Key Points: 
  • b'Vancouver, British Columbia--(Newsfile Corp. - May 19, 2021) - Ridgestone Mining Inc. (TSXV: RMI) (OTCQB: RIGMF) (FSE: 4U5) ("Ridgestone") is pleased to announce it has completed another phase of exploration at its wholly-owned Rebeico project in Mexico.
  • The system is characterized as a high sulfidation vein system, strongly oxidized on surface, with quartz veinlets with chalcopyrite, molybdenite, and pyrite.
  • In 2018 and 2019 the Company completed 31 line-kilometres of Induced Polarization/ Resistivity surveys covering an area of approximately 9 sq kilometres.
  • In this news release such statements include but are not limited to any ongoing drilling programs, timing of such programs, or exploration results.

Benz Mining: Electro-Magnetics Extend Mineralised Trends to the East, Confirmed by Visible Gold in Drilling

Retrieved on: 
Wednesday, May 5, 2021
Minerals, Sulfide minerals, Sphalerite, Molybdenite, Pyrite, Chalcopyrite

The claims are numbered 1133433 to 1133583 consecutively plus claim 104458.

Key Points: 
  • The claims are numbered 1133433 to 1133583 consecutively plus claim 104458.
  • All of the claims are located within NTS sheet 33A 08.\nThe former Mine Lease BM 817 was issued on January 10, 1995 and expired in 2015 after a 20-year term.
  • This former Mine Lease was converted to Industrial Lease 00184710000 on September 1, 2015 and contains all normal surface rights.
  • In order of decreasing abundance, sulphides consist of pyrrhotite, pyrite, and chalcopyrite, with minor sphalerite, magnetite and molybdenite.

Lara Exploration Announces Positive Preliminary Metallurgical Test Work for the Planalto Project in Brazil

Retrieved on: 
Wednesday, April 28, 2021
Minerals, Chemistry, Physical sciences, Electrical conductors, Native element minerals, Chemical elements, Transition metals, Sulfide minerals, Chalcopyrite, Copper, Silver

A portion of the chalcopyrite has been shown to occur as fine-grained disseminations enclosed in silicate minerals and as such not readily liberated.

Key Points: 
  • A portion of the chalcopyrite has been shown to occur as fine-grained disseminations enclosed in silicate minerals and as such not readily liberated.
  • The best results of copper recovery were achieved using a simple flow sheet using the readily available collector and frothing agents.
  • The gold and silver contents of the final concentrate are relatively low at 1.79 g/t Au and 27 g/t Ag, respectively.
  • The Company currently holds a diverse portfolio of prospects, deposits and royalties in Brazil and Peru.

DLP Resources Announces Exploration Update of Drilling on the DD Project - Strong Hydrothermal Alteration Intersected in the Sullivan Horizon in DD21-01

Retrieved on: 
Thursday, April 1, 2021
Minerals, Sulfide minerals, Chemical compounds, Chemical elements, Sericite, Pyrrhotite, Pyrite, Chalcopyrite, Iron sulfide, Soil horizon

Strongly hydrothermally altered and sheared Sullivan horizon siltstone/argillite was intersected in the hole from 1452.46m to 1550m.

Key Points: 
  • Strongly hydrothermally altered and sheared Sullivan horizon siltstone/argillite was intersected in the hole from 1452.46m to 1550m.
  • Weak pyrrhotite (FeS), chalcopyrite (CuFeS2) and trace pyrite (FeS2) occur through the alteration zone with a late gabbro sill from 1498m to 1503.57m.
  • Strong sericite-silica alteration and yellow-brown phengite visible in the altered Sullivan horizon confirms hole DD21-01 is still distal from a mineralized source.
  • Ian Gendall, President of DLP commented: "DD21-01 confirmed that the hydrothermal system responsible for the strong alteration once again seen at the Sullivan Horizon extends to the North of the DD property.

Grande Portage Continues to Expand Mineralized Zones to the East and at Depth on Its Herbert Gold Project In S.E. Alaska

Retrieved on: 
Wednesday, March 24, 2021
Minerals, Sulfide minerals, Crystallography, Classification of minerals, Chlorite group, Pyrite, Arsenopyrite, Phyllic alteration

The first ever drill hole into the Elusive vein intersected 1.78 m showing 4.46 g/t Au in a shear zone approximately 2 m wide.

Key Points: 
  • The first ever drill hole into the Elusive vein intersected 1.78 m showing 4.46 g/t Au in a shear zone approximately 2 m wide.
  • Despite the paucity of quartz in this zone, it showed strong chlorite/sericite alteration, arsenopyrite, pyrite, and even a small visible flake of gold.
  • This intersection occurs near the eastern limits of drilling at a depth of 140 m below the surface.
  • Please click the following link to reference longitudinal and vertical cross sections associated with the 2020 drill program: Herbert Gold Project | Grande Portage Resources Ltd.