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Safari 11 was released on September 19, 2017 for OS X El Capitan and macOS Sierra, ahead of macOS High Sierra's release. [75] It was included with High Sierra. Safari 11 included several new features such as Intelligent Tracking Prevention [76] which aimed to prevent cross-site tracking by placing limitations on cookies and other website data. [77]
This is a list of countries by chromium ore production in 2023, based on the United States Geological Survey. [1] Chromium is a chemical element that is designated by the symbol Cr and has an atomic number of 24. It is usually found as the mineral chromite, from which ferrochrome is produced in a smelting process.
In 1986 the State of Alaska agreed to fund and take ownership of a road (DeLong Mts. Transportation System) from Red Dog to the coast, and a shallow-water port site. Also in 1986, residents of Kotzebue and 10 other area villages voted to form the Northwest Arctic Borough, to be economically based on taxing the Red Dog mine. Construction of the ...
The dam was built in a forested, scenic and narrow valley of the Salmon creek, which runs from Salmon Creek Reservoir and flows southwest for 3 miles (4.8 km) to the Gastineau Channel. The dam (marked as Juneau B-2 in USGS maps) is located at the terminus of the tram-way that was built specifically by the Alaska Gastineau Mining Co. The tram ...
The chromium extracted from chromite is used in chrome plating and alloying for production of corrosion resistant superalloys, nichrome, and stainless steel. Chromium is used as a pigment for glass, glazes, and paint, and as an oxidizing agent for tanning leather. [27] It is also sometimes used as a gemstone. [28]
After the Camp Fire in 2018, which burned almost 19,000 buildings, researchers found elevated levels of lead, zinc, calcium, iron and manganese in the smoke. Some metals traveled more than 150 miles.
A 46-troy ounce nugget, Alaska's 19th largest, was mined on Long Creek. Total production through 1977 may exceed 76,000 ounces of gold: the largest nugget weighed 131 ounces and several other approximately 35-ounce nuggets were found. The tin-ore cassiterite was also recovered. [6]
The Willow Creek mining district, also known as the Independence Mine/Hatcher Pass district, is a gold-mining area in the U.S. state of Alaska. Underground hard-rock mining of gold from quartz veins accounts for most of the mineral wealth extracted from the Hatcher Pass area. The first mining efforts were placer mining of stream gravels, and ...