Feldspar and Olivine are two silicate minerals commonly found on the Earth’s surface, their chemical formulas are KAlSi3O8 – NaAlSi3O8 –CaAl2Si2O8 for feldspars and (Mg, Fe)2SiO4 for olivine. Olivine is a nesosilicate, whereas feldspars are a group of tectosilicates, both minerals are anhydrous, since they contain no water in their chemical structure. Feldspars hold differing quantities of different elements, such as potassium, calcium, and sodium; making them classifiable in terms of composition
Geological Setting The Cape Granite Suite formed about 560-520 Ma during the Saldanian orogeny which occurred between 780 to 510 Ma (Harris & Vogelli, 2010; Villaros, Stevens & Buick, 2009). This orogeny formed as a result of the convergence of the Rio de la Plata and Kalahari cratons during the formation of Gondwanaland (Harris & Vogelli, 2010). The granitoids of the CGS were intruded into the three terranes of the metasedimentary and metavolcanic Malmesbury Group which are divided by distinct
rocks mineral composition (“Characteristics of Igneous Rocks” n.d). A low cooling temperature yields rocks with higher amounts of potassium, aluminum, and silicon (“Characteristics of Igneous Rocks” n.d). This is evident by the abundance of potassium feldspar, which also makes granite a felsic
orthoclase feldspar which give the rock the pink or reddish colour. Other minerals present are quartz (usually gray). albite feldspar (white) and either white mica (muscovite) or black mica (biotite). The word granite means grain-rock, it weathers, and it crumbles into loose grains. 7. Diorite Diorite is a coarse-grained igneous rock intermediate in composition between granite and gabbro. It can sometimes be described as a "white granite" because of the abundance of albite, a white feldspar. Depending
The lithification of loose sediment form sedimentary rock. Sedimentology is related to the basic sciences, which are biology, chemistry and physics. The fossils that deposited in the rocks are biological and weathering, diagenesis and formation of autochthonous sediments are about chemistry. The transportation and deposition of sediments are related to physics (Richard, 1988). Clastic rocks are the most common type of sedimentary rocks. Clastic rocks are composed of clasts or rock fragments which
of a volcanic arc which is an outcome of the continuing process of subduction. The weathering products of the volcanic are sediments of lithic-rich composition. On deeper weathering, down into coarser igneous rocks . The result is lithic-rich to feldspar-rich sediments deposited in submarine fans surrounding the volcanic arc, the first sedimentary rocks of the tectonic rock
the same determinant that makes a diamond much more precious than a lump of coal that would usually place the same elements as diamonds. Namely, with enough pressure and heat applied the tectonic elements fusion to make a red gemstone well known as feldspar. Organic Gemstones - the most well-known examples of this are amber and pearls. Primarily, organic gemstones are ones which originate naturally in organic sources as opposed to mineral sources. Oysters are make a Pearls, Amber is a yellow formed
In this essay, I will analyse the different types, geochemistry, constitution, identifying characteristics and consequential activity levels of volcanoes, with a particular focus on Stratovolcanoes and how they compare to the other known types and specifically the magma constituency, viscosity levels and mineral content when compared to that of other types of volcano. Stratovolcanoes which are also commonly known as composite volcanoes are composed of many different strata or layers of pyroclastic
In geology, a sediment is defined as an assemblage of particles, loose or indurated materials that form on the Earth’s surface (Selley 2000, 41). The study of sediment includes its provenance and the processes that result in their deposition of the weathered and eroded products of its older material. The purpose of sedimentology is to provide a deeper understanding about the Earth’s history. In a sediment, maturity is described as the degree of how much a sediment changed due to weathering, transport
Granite is a readily-available, durable material. That makes it an outstanding choice for kitchen countertops, since they take a lot of daily abuse in most homes. The conditions that let granite stone form also ensure that every piece of granite is unique. If you get a granite countertop installed, no one else will ever have one that looks exactly like yours. What trips a lot of people up is what looks like arbitrary pricing for granite. It's all the same stuff, isn't it? Why should one piece of
aluminum. This quartz is light sensitive and will fade. The first rose-quartz was found in Main. USA and now most comes from Brazil. The name Quartz is derived from Quarz a Germanic word, and it is the second most abundant mineral in the world next to feldspar. Rose-quartz is a mass type stone not forming in the normal crystal shape. Rose-quartz is called the Love stone, its energy is capable of enhancing love in all situations. It aligns with the heart chakra and reduces
In this paper we compare and contrast two sculptures considering the effect the intended purpose or function has on the appearance of the sculptures. The first sculptures is the statue of Memi and Sabu dated 2476 – 2465 B.C., which belonged to the fourth dynasty of the ancient Egypt and the second sculpture is statue of Gudea belonged to the neo Sumerian culture dated 2090 B.C. from the ancient Mesopotamia. BODY Briefly describing the statue of Memi and Sabu we can say that the media was limestone
daughter of a king,” (Thurber 2). Her possessions confirm that her wealth is very important to her, and nothing inexpensive should ever be owned by her. The fifth prince approached the princess and, “brought her a small tin box filled with mica and feldspar and hornblende which he had picked up along the way,” (Thurber 6). This gift was nothing like the others. It was very unique, and possessed little to no value at all. Even though the present was quite different, the princess, “examined it with great
strength can increase even more when other elements are added to the metal to form alloys. Some of these elements used for alloying are copper, iron, silicon, magnesium, nickel, and zinc (Hobbs 79). Aluminum is also common in minerals such as feldspar, mica, which are silicates, and clay. Most of aluminum production has been from bauxite. “Bauxite can form from the weathering of any rock that is aluminum bearing” (Craig et al 267). Most bauxite mining is done in tropical regions where there
Lithosphere: The Lithosphere is the top physical layer of Earth. It is composed of 95% igneous rock, 4% shale, 0.75% sandstone, and 0.25% limestone. The Lithosphere is also made up of things such as Quartz and Alkali Feldspar. It is about 50 kilometers thick. The Lithosphere “slides” over the Asthenosphere. The Lithosphere has a temperature of about 300-500 degrees celsius. It is made up of the Crust and the upper portion of the Mantle. 8. Inner Core: The Inner Core
In the novel Beloved, Toni Morrison focuses on the concept of loss and renewal in Paul D’s experience in Alfred Georgia. Paul D goes through a painful transition into the reality of slavery. In Sweet Home, Master Garner treated him like a real man. However, while in captivity in Georgia he was no longer a man, but a slave. Toni Morrison makes Paul D experience many losses such as, losing his pride and humanity. However, she does not let him suffer for long. She renews him with his survival. Morrison
This paper will review the origins and geology of the Stone Mountain monolith in North Georgia, the history of the area and people and groups who have utilized the site for social and commercial purposes. Stone Mountain is an igneous intrusion often referred to as a geological pluton. The granite pluton is part of the Piedmont Plateau region of the Appalachian Mountains and was formed along the same geological fault line that created the Blue Ridge Mountains but is not part of the Blue Ridge chain
the differences to make informed and wise decisions while selecting our dinnerware. History of china and its transition in today's world Since the dawn of civilization, ceramic ware has been made in the Orient using a combination of clays – kaolin, feldspar and quartz. Kaolin is a kind of clay white in colour which retains its colour even when fired in kilns with high temperatures. The art, that has been perfected through the centuries, reached the West slightly more than 200 years ago. As an honour
Soccer My favorite recreational activity is soccer. I play soccer a lot and have been playing for five or six seasons. in a game not long ago I made a hat trick , or three goals in one game. We placed second in our league this year. Their are lots of rules in soccer and they are all very important. If you don’t follow them you will pay the consequences. I’ll tell you about them in this paper. Probably the most important rule is that you can’t touch the ball with your hands. If you do you
A rock is a naturally occurring substance or solid material which is composed of one or more minerals. There are three types of rocks namely – Igneous , Metamorphic and Sedimentary rocks. These rock are in a continuous cycle of process whereby they are changed from one type of rocks to another which may or may not be of different mineral composition. This processes is called Rock Cycle. The rock cycle symbolises an ever-changing Earth. The three types of rocks igneous, metamorphic, and sedimentary