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Geology - Essay Example

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Calcite is a mineral that is formed from the reaction of calcium and carbon to form(CaCo3), and occurs in granular or compact shapes, exhibiting a white color in pure form or grey, blue ,black, red ,yellow or orange if it has some impurities. Due to its carbon nature, it can…
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Download file to see previous pages... The calcites are usually transparent or opaque and have traces of phosphorescence and/or fluorescence hence when used to view objects, they appear double. This is why its use for optical purposes.
It occurs naturally owing to the marine decomposition of hard planktons like red algae, echinoderms, and sponges and it is found in limestone, volcanic, kimberlites, sedimentary or peridotites. It is used especially in military for in gun sights .It has also agricultural uses like stabilization of soil and concrete repair.
Marcasite or white iron pyrite is a product of iron (Fe) and sulphur (s), to form Iron sulfide (Fes3). It has black metallic appearance and changes to brown or yellowish color. Its occurrence is primary or secondary in nature. Primarily, it occurs in highly acidic and with low temperatures conditions, mainly on sedimentary rocks or hydrothermal veins. In secondary, it is formed on alteration of chemicals of a parent mineral such as chalcopyrite. It reacts in high humidity to form iron (II) suphate and sulphuric acid. It is used mainly used for ornamental purposes and a source of sulphur.
Galena is the natural form of the mineral lead sulphide and is the main ore for both silver and lead. It is also called lead glances and distributed widely on the sulphide minerals. It is mainly used to make lead- acid batteries, lead sheets and ...Download file to see next pagesRead More
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How many existed in the Eocene? Explain and list. According to Harris et al. there are currently approximately 7,000 islands and islets in the Caribbean however during the mid-Eocene era the region had assumed its modern geographic configuration. From this perspective it remains the cast that although there are several thousand islands and islets many of these become submerged during high tides.
2 Pages(500 words)Essay
Geology Name Tutor Institution Subject Code Date of Submission Introduction Ores are types of naturally existing rocks having minerals and metal components. It is also known as a metalliferous mineral, which means it is composed of metals and iron components, whose nature and form is largely dependent on the amount of individual components forming it (Green & Basher, 2009 p 124)1.
5 Pages(1250 words)Essay
Physical Geology
The earth has evolved over billions of years. From a global mass of matter has been created the beautiful, picturesque, but sometimes savage and rugged landscape that we now enjoy. If we were to look at a cross-sectional view of the earth, we would find that it comprises of four main component parts.
7 Pages(1750 words)Essay
logical sciences according to California State University (2008) are the sciences which study Earth, its physical as well as chemical composition and history. This year is the “year of the environment”, and several environmentalists give focus on discussions about important
7 Pages(1750 words)Essay
At that moment, I was brought to ponder about the size of God who is behind such an incredible idea which reflects the great astrophysical value of matters in the outer space. During this stage, the sight of the exhibits drew me
2 Pages(500 words)Essay
Geology Tour
The site just offers a little overview of numerous intriguing features that constitute the beauty of the place evident when one enters the place. Inside
2 Pages(500 words)Essay
Indiana Geology
Coal’s solidity was depended on the heat and pressure exerted on the earth’s surface and the process of coal formation was recurred for many years thus resulting into several horizontal layers set apart by thick dirt and rock. There exist four forms of coal
3 Pages(750 words)Essay
We learnt from the experienced miners about the mining methods, the history of Colorado, geology mine in totality, and the lives of the gold fever leaders in the 18th century. The trip also enabled us to test the early tools and pay attention to Tommy
1 Pages(250 words)Essay
Many geologists have highlighted that the quaternary normal faults are the description for the faulting that resulted. This led to the formation of class B structures that characterize the
1 Pages(250 words)Essay
Along the trail are a few quits highlighting earth mining and dinosaur, mammal, birds, creepy crawly and invertebrate tracks and follow, and a few dividers loaded with plant
1 Pages(250 words)Essay
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