Newmont Mining will Ramp Down its Production in Batu Hijau
Newmont Mining Corp. (NYSE: NEM), a US-based mining company, could possibly ramp down their gold and copper mining operations in Indonesia. This is due to the uplifted mining taxes imposed by their government. Earlier this year, the government of Indonesia increased their tax to 25% and expect to uplift it to up to 35% by […]
SAG Mill Feed Chute Design| Long Life | Wear Resistant
This design of SAG mill feed chute lasted 9 months seeing 90,000 TPD. It is 600 brinell chrome steel. With the big liners on the bottom of the chute you need to get a Chevron cast into the top to push the feed out to the sides for the first little while and then as […]
Kibali Gold Mine Officially Opens Today
The Kibali gold mine, located in Democratic Republic of Congo (DRC), officially opened today. The mine is a joint venture of 2 mining giants Randgold Resources (LSE: RRS) (NASDAQ: GOLD) and AngloGold Ashanti (NYSE: AU). Kibanki gold mine is expected to be one of the biggest gold mines in Africa once it is on its full operation. It […]
“Underwater Desert” in Surigao, Philippines, Due to Mining
An “underground desert” is forming in Malimono, Surigao del Norte, Philippines, due to excessive mining activities. A non-government group Hinatuan Passage Development Alliance (HIPADA) Marine Monitoring Team has done underwater survey from December 2013 to March 2014 to check how the marine life is in the town. Unfortunately, they have seen how corals and marine life have been […]
GoldCorp Will Not Upsurge its Osisko Bid
Goldcorp, the world’s second-largest gold mining company, has confirmed that they will not upsurge their C$3.6 Billion bid to acquire Osisko Mining, a Quebec-based mining company. Goldcorp plans to increase its gold output to up to 50%, therefore, acquiring Osisko could possibly make it possible. It could be a good option as they may be […]
Mesh to Micron Conversion Table
A Mesh to Micron Conversion Table can be made using this screen scale as its base with an opening of 0.0029 in. which is the opening in 200 mesh 0.0021 in. wire, the standard sieve as adopted by the Bureau of Standards of the U. S. Govt., the openings increasing in the ratio of the […]
Where gold comes from and where it goes
Inforgraphic: The Gold Tree
Collectors Strength – Xanthate Family – Recovery Power
A little about collector strength and Xanthates: Some call it selectivity, I call it “how much do you put on”. Even the most selective collector can be rendered un-selective it you add enough. In reverse order of strength (strongest to weakest): PAX SIBX SIPX SEX Methyl Xanthate (uncommon) More about the collecting power of xanthate and […]
SAG Mill Operating Load : SAG Mill Volumes
How much rock and balls must you hold in your SAG mill for it to best operate?
Mill Liner Profiler Tool -Track Liner Wear Pattern
Here is a home-made tool to measure or obtain a fingerprint of your SAG and Ball Mill Liner wear pattern/profile. Each time you shut down, get a profile and build a wear-life over time database to better predict your next reline job or monitor improvements to your liner design. Simple Tool to Track Liner Wear […]