Sumbawa Essays

Nevsun Resources Ltd. is a Canadian company mid-level, produces copper mining company. Headquartered in Vancouver and at first established as an investigation company, Nevsun first African projects were in Ghana and Mali and they were both sold. Nevsun moved attention to its existing asset, which is the Bisha Mine in Eritrea in 2008. The Bisha mine started production in 2011 as a gold producer and switch to trade copper production in 2013. The Bisha Mine is a large volcanic base of rich metal like

The greatest volcano eruption in recorded history is the 1815 eruption of Mount Tambora on the island of Sumbawa, Indonesia. Mount Tambora is a stratovolcano, meaning it is a tall conical volcano made of hardened lava and volcanic ash. Mount Tambora lost about one-third of its original height. The eruption also formed a caldera and carder lake. The eruption lasted an entire week and the ash blocked out the sun. Sounds of the eruption was thought to be cannon so armies started to march to the area

conducted at room temperature (around 300K) in the Analytical Chemistry Laboratory. The combination reactions between SNW and AMD are shown in the Table 1. RESULTS AND DISCUSSION Characterization of AMD and SNW The AMD collected from Batu Hijau of West Sumbawa was characterized by warm temperature (36oC); acidic condition (pH = 3.99); high EC (4,734 µmhos/cm), TDS (3,658 mg/L) and Cu2+ (151.4 mg/L); low BOD (0.27 mg/L) and DO ( 8.5 (Figure 2b). A reduction of Cu2+ was caused by the precipitation of Cu2+

200 years ago, the world was shrouded in a gloomy darkness, and suspended in a chokehold of famine and violence. In April of 1815, the most powerful volcanic blast in recorded history erupted from Mount Tambora in the East Indies. It affected the climate and culture of many different reaches of the world. Mount Tambora’s eruption was one of the most devastating eruptions in history, and its effects were felt around the globe. However, it struck a mark culturally, and politically too. Not just a volcanic