12 Matching Annotations
  1. May 2019
    1. Due to its electrical conductivity, copper is used in electronics, cars, and wires. This makes copper critical for highly developed countries.

      true stuuff

    2. Developing economies’ copper demand has steadily grown over the last decades, fueling economic and social improvement. By 2011, China already represented 40% of the demand.

      Why does China need so much.

    3. Codelco is a state-owned Chilean mining company and the world’s largest copper producer. Based on their annual report and USGS statistics, they produced ~10% of the world’s copper in 2015 and own 8% of global reserves. They are also a large producer of greenhouse gas emissions. Last year, Codelco produced 3,2 t CO2e/millions tmf from both indirect and direct effects, and in 2011 it consumed 12% of the total national electricity supply.

      Goddamn they should start recylcling

    4. Copper is a key driver of growth and economic wealth for Chile.
    5. copper mining significantly contributes to climate change.
    1. Shaida’s mineralisation has been described as a porphyry copper deposit.
    2. The Shaida Copper Mine is situated in the western region of Afghanistan in the Adraskan District of the Herat province, 65 km South-West of the city of Herat and 50 km SSW of Gozareh

      Where it is located.

    1. Monseigneur de Hemptinne watched Yeke people working at Dikuluwe as late as 1924. They worked in the dry season and stopped when the first rains arrived. The mining camp was near a stream where millet could be planted. Women and children collected malachite from the surface, while men used iron picks to excavate pits and shafts, using fire to crack the rocks when needed. The mines were between 10 metres (33 ft) and 15 metres (49 ft) deep with galleries up to 20 metres (66 ft) long. The ore would be sorted and then taken to a nearby stream for concentration before being smelted

      info about how mines work

    2. The Katanga, or Shaba, copperbelt in the DRC is a belt about 70 kilometres (43 mi) wide and 250 kilometres (160 mi) long

      how large the coperbelt is

    1. his is the second round of mineral licensing conducted by the Afghan government, which in 2008 gave Metallurgical Corp of China rights to the Aynak copper deposit

      They seem to offer up mining contracts very easily.