Weathering

into small pieces, and second, cobbed by hand and separated into copper-bearing ore and barren Pyrrhotite. By 1879, 24 smelting furnaces operated at the site. Groundwater Pollution Some of the waste materials at the mine have been exposed to weathering for 50 to 200 years (Hammarstrom et al., 2001). The underlying bedrock is predominantly noncarbonaceous, and therefore has little capacity to neutralize acid (Hammarstrom et al.,…

Basalt. Basalt is an igneous rock that is consisted of silicate minerals, olivine, pyroxene and plagioclase feldspar (all minerals studied in class). These minerals have the property that when they are exposed to water they will endure chemical weathering transformation, transforming them into secondary minerals. Once they endure these changes they tend to incorporate water into there…

Volcanoes don’t only destroy things, but they can build and help as well. Volcanic ash is very good for farming, it makes the soil richer. “Depending on the location of the volcano, it can take thousands of years of weathering for the ash and rock deposits to form a rich soil. When they do become soils, they are often among the richest soils on Earth.” (McDonaugh 60) The islands of Hawaii were made from volcanoes, and they are covered in green beautiful plant growth.…

Water erosion Water erosion is a natural force that is caused by things like water, ice and wind. This can also happen by human activity. It wears out rocks and soil. Water erosion occurs on streams,rivers banks, sea shores and seaside cliffs. Usually muddy water is a sign of erosion.Usually water erosion happens during rainfalls, snow melts. Runoffs as well because it helps carry away small materials like soil and rocks. There are also more types of erosion like gully erosion and sheet erosion…

and sea spray, are damaging their faces. The heads were once detailed from the model, but now, the faces have been carved thin, and their features have been deformed. “After thousands of years of rain and sea spray pelting the soft igneous stone, weathering has washed away most of the head’s facial features.” (Crane 102) This is a big problem because eventually, the head will tumble down the hill they rest on, because Easter Island is very…

Water Quality Water is essential to human life and the health of the environment. Good water quality is essential for irrigation, drinking and recreation and also sustains ecological processes that support native fish populations, vegetation and bird life. We expect that our water supply will not only be safe, but will taste good, and look crystal clear. Water quality is commonly defined by its physical, chemical, biological and aesthetic (appearance and smell) characteristics. Water quality…

Biomes are subsections of the biosphere, which are categorised based on areas with similar ecosystems. Typically, ecosystems are defined via similar vegetation, since this allows the development of subsequent food webs. A prime example of this is the Arctic biome, which is made up of low lying vegetation. Although not categorised by climate, it is intrinsically linked with the distribution of the world’s major biomes, as it is the underlying cause of what types of vegetation are able to inhabit…

the moon god Nanna. Built by the king of Ur, this was the first ziggurat the sumerians had ever created. Later in the 6th century BCE, king Nabonidus of Ur replaced the upper two terraces. Because it was built using mud bricks, we can infer that weathering and erosion took its toll on the ziggurat, and it had to be replaced and maintained every couple hundred years. When the sumerian population died out, the ziggurat was left…

Across the barren desert, eyes gaze upon anyone who comes across its path. Baring the face of a supposed killer, standing tall and mighty, always ready to strike. Protecting a lifelong mystery, waiting to be uncovered. There are a lot of unexplained mysteries and phenomenon in history. One of the most sacred and mysterious of all is the Sphinx. Theories of this creation range from being the resting place for the god Osiris, and the tomb of the Pharaoh Khafre but, the most realistic and…

both practitioners of Voodoo and interested tourists (Nickell). The tomb itself has been vandalized countless times—it is covered in small markings, graffiti, and until recently, pink latex paint (Webster). The tomb is also very worn by natural weathering—much of the plaster has crumbled away revealing brick (Webster). Many of the markings are small X’s (usually in sets of three) (Webster). There exists a legend that Laveau grants a wish when someone interacts with her tomb (Guiley). The ritual…