Rumiqolqa - Primary Source of Incan Masonry

Rumiqolqa - Primary Source of Incan Masonry Rumiqolqa (spelled variously Rumiqullqa, Rumi Qullqa or Rumicolca) is the name of the major stone quarry used by the Inca Empire to construct its buildings, roads, plazas and towers. Located approximately 35 kilometers (22 miles) southeast of the Inca capital of Cusco in the Rio Huatanay valley of Peru, the quarry is on the left bank of the river Vilcanota, off the Inca road leading from Cusco to Qollasuyu. Its elevation is 3,330 meters (11,000 feet), which is slightly below Cusco, at 3,400 m (11,200 ft). Many of the buildings in the royal district of Cusco were constructed of finely cut ashlar stone from Rumiqolqa. The name Rumiqolqa means stone storehouse in the Quechua language, and it was used as a quarry in highland Peru perhaps beginning in the Wari period (~550-900 AD) and up through the latter part of the 20th century. The Inca period Rumiqolqa operation probably spanned an area of between 100 and 200 hectares (250-500 acres). The main stone at Rumiqolqa is bedrock, a dark grey horneblende andesite, made up of plagioclase feldspar, basaltic horneblende and biotite. The rock is flow-banded and sometimes glassy, and it sometimes exhibits conchoidal fractures. Rumiqolqa is the most important of the many quarries used by the Inca for constructing administrative and religious buildings, and they sometimes transported building material thousands of kilometers from the point of origin. Multiple quarries were used for many of the buildings: typically Inca stonemasons would use the closest quarry for a given structure but transport in stone from other, more distant quarries as minor but important pieces. Rumiqolqa Site Features The site of Rumiqolqa is primarily a quarry, and features within its boundaries include access roads, ramps and staircases leading to the different quarrying areas, as well as an impressive gate complex restricting access to the mines. In addition, the site has the ruins of what were likely residences for the quarry workers and, according to local lore, the supervisors or administrators of those workers. One Inca-era quarry at Rumiqolqa was nicknamed the Llama Pit by researcher Jean-Pierre Protzen, who noted two rock art petrogylphs of llamas on the adjacent rock face. This pit measured about 100 m (328 ft) long, 60 m (200 ft) wide and 15-20 m (50-65 ft) deep, and at the time Protzen visited in the 1980s, there were 250 cut stones finished and ready to be shipped still in place. Protzen reported that these stones were hewn and dressed on five of the six sides. At the Llama Pit, Protzen identified 68 simple river cobbles of various sizes which had been used as hammerstones to cut the surfaces and draft and finish the edges. He also conducted experiments and was able to replicate results of the Inca stonemasons using similar river cobbles. Rumiqolqa and Cusco Thousands of andesite ashlars quarried at Rumicolca were used in the construction of palaces and temples in the royal district of Cusco, including the temple of Qoricancha, the Aqllawasi (house of the chosen women) and Pachacutis palace called the Cassana. Massive blocks, some of which weighed over 100 metric tons (about 440,000 pounds), were used in construction at Ollantaytambo and Sacsaywaman, both relatively closer to the quarry than Cusco proper. Guaman Poma de Ayala, a 16th century Quechua chronicler, described a historic legend surrounding the building of the Qoriqancha by Inka Pachacuti [ruled 1438-1471], including the process of bringing extracted and partially worked stones up into Cusco via a series of ramps. Other Sites Dennis Ogburn (2004), a scholar who has dedicated some decades to investigating Inca quarry sites, discovered that carved ashlars of stone from Rumiqolqa were conveyed all the way to Saraguro, Ecuador, some 1,700 km (~1,000 mi) along the Inca Road from the quarry. According to Spanish records, in the final days of the Inca Empire, the Inka Huayna Capac [ruled 1493-1527] was establishing a capital at the center of Tomebamba, close to the modern town of Cuenca, Ecuador, using stone from Rumiqolqa. This claim was upheld by Ogburn, who found that a minimum of 450 cut ashlar stones are currently in Ecuador, although they were removed from Huayna Capacs structures in the 20th century and reused to build a church in Paquishapa. Ogborn reports that the stones are well-shaped parallelepipeds, dressed on five or six sides, each with an estimated mass of between 200-700 kilograms (450-1500 pounds). Their origin from Rumiqolqa was established by comparing the results of XRF geochemical analysis on uncleaned exposed building surfaces to fresh quarry samples (see Ogburn and others 2013). Ogburn cites the Inca-Quechua chronicler Garcilaso de la Vega who noted that by building important structures from the Rumiqolqa quarry in his temples in Tomebamba, Huayna Capac was in effect transferring the power of Cusco to Cuenca, a strong psychological application of Incan propaganda. Sources This article is a part of the About.com guide to Quarry Sites, and the Dictionary of Archaeology. Hunt PN. 1990. Inca volcanic stone provenance in the Cuzco province, Peru. Papers from the Institute of Archaeology 1(24-36). Ogburn DE. 2004. Evidence for Long-Distance Transportation of Building Stones in the Inka Empire, from Cuzco, Peru to Saraguro, Ecuador. Latin American Antiquity 15(4):419-439. Ogburn DE. 2004a. Dynamic Display, Propaganda, and the Reinforcement of Provincial Power in the Inca Empire. Archeological Papers of the American Anthropological Association 14(1):225-239. Ogburn DE. 2013. Variation in Inca Building Stone Quarry Operations in Peru and Ecuador. In: Tripcevich N, and Vaughn KJ, editors. Mining and Quarrying in the Ancient Andes: Springer New York. p 45-64. Ogburn DE, Sillar B, and Sierra JC. 2013. Evaluating effects of chemical weathering and surface contamination on the in situ provenance analysis of building stones in the Cuzco region of Peru with portable XRF. Journal of Archaeological Science 40(4):1823-1837. Pigeon G. 2011. Inca architecture : the function of a building in relation to its form. La Crosse, WI: University of Wisconsin La Crosse. Protzen J-P. 1985. Inca Quarrying and Stonecutting. The Journal of the Society of Architectural Historians 44(2):161-182.

History of the Artificial Heart

History of the Artificial Heart The first artificial heart for humans was invented and patented in the 1950s, but it wasnt until 1982 that a working artificial heart, the Jarvik-7, was successfully implanted in a human patient.   Early Milestones As with many medical innovations, the first artificial heart was implanted in an animal in this case, a dog. Soviet scientist Vladimir Demikhov, a pioneer in the field of organ transplantation, implanted an artificial heart into a dog in 1937. (It wasnt Demikhovs most famous work, however - today he is mostly remembered for performing head transplants on dogs.) Interestingly, the first patented artificial heart was invented by American Paul Winchell, whose primary occupation was as a ventriloquist and comedian. Winchell also had some medical training and was assisted in his endeavor by Henry Heimlich, who is remembered for the emergency choking treatment that bears his name. His creation was never actually put into use. The Liotta-Cooley artificial heart was implanted into a patient in 1969 as a stopgap measure; it was replaced with a donors heart a few days later, but the patient died soon thereafter.   The Jarvik 7   The Jarvik-7 heart was developed by American scientist Robert Jarvik and his mentor, Willem Kolff.   In 1982, Seattle dentist Dr. Barney Clark was the first person implanted with the Jarvik-7, the first artificial heart intended to last a lifetime. William DeVries, an American cardiothoracic surgeon, performed the surgery. The patient survived 112 days. It has been hard, but the heart itself has pumped right along, Clark said in the months following his history-making surgery. Subsequent iterations of the artificial heart have seen further success; the second patient to receive the Jarvik-7, for instance, lived for 620 days after implantation. People want a normal life, and just being alive is not good enough, Jarvik has said.   Despite these advances, less than two thousand artificial hearts have been implanted, and the procedure is generally used as a bridge until a donor heart can be secured. Today, the most common artificial heart is the SynCardia temporary Total Artificial Heart, accounting for 96% of all artificial heart transplants. And it doesnt come cheap, with a price tag of around $125,000.

The Process of Sustainable Decision Making Process at Greenheart Essay

The Process of Sustainable Decision Making Process at Greenheart - Essay Example The main aim of this research essay is to evaluate the decision-making process at Greenheart, a multinational food company which was taken over by another multinational food chain in 2001, which was known as Greenheart Plus after the merger. The research essay will be analyzing the environmental investment decision making policy at Greenheart, which was entrusted to the CEO whereas it was delegated to TMT (a group of corporate top management team} and will be evaluating who was the best environmental decision maker, whether the individual CEO or the group team of TMT. It is to be observed that at Greenheart, much significance was given to environmental sustainability whereas at Greenheart Plus, much significance was given to the economic sustainability. Greenheart Plus relegated the environmental sustainability to the backyard by giving more significance to the economic sustainability as its core business –decision making process. This research essay employs a sociological out look to spot out two major concerns of the company and also will make two proposals for the efficient decision –making of the company in the near future. The Process of Sustainable Business Decision Making Process at Greenheart As per Laclau and Mouffe, the relationship between society and business organizations commenced at the start of 1970s due to materialization of social care movements and environmental activism in the USA, Europe and rest of the world. From the starting of 1990s, the societal care and environmental safety topped the business decision making. This can be evidenced from the new concept of ecological paradigm advanced by Catton and Dunlap in 1980s, which is a complete transformation to ecocentric thoughts from that of anthropocentric thoughts as advanced by Kennelly and Krause (1995).(â€Å"National Research Council,2005†) As per Levinger and Schneider’s (1969) social comparison theory, the people in group clusters act in a different way than individually. The general view is that the collective authority of a group outperforms the individual decision. Despite the individuals who are self-motivated can achieve an extraordinary ingenuity but working jointly as a team can gen erate astonishing outcomes and a better business decision. As per Guindham, as contrasted with individuals, business decisions taken by a group has proven positive as it offers commitment to their tasks. (Mullins, 2005p.569). A business decision may vary from individual to individual. As per â€Å"Herbert A. Simon†, a decision-making by an individual is subject to limits

Reading response to The Beautiful City of Tirzah by Harrison Essay

Reading response to The Beautiful City of Tirzah by Harrison Candelaria Fletcher - Essay Example These are some of the efforts that she put in her life that other people would not do. Most of her time was spent when taking care of her collection of animals. This explains an individual with a noble heart and one that does not see time wastage in catering for stray animals. These are some of the most appealing undertakings that the entire Fletcher’s family cherished. Such acts have been showcased severally in Fletcher’s writing. In one instance, she welcomed an owl that had been found by one of her sons into her home. Contrary to most people, she welcomed it in spite of the fact that it is said to be a bad omen and that it brings bad luck to those close by. Instead of viewing the owl as bad luck, she has a positive view of it and even names it Tirzah as outlined in the Bible to depict a beautiful city. This shows that she did not follow misleading superstitions in her quest to cater for the animals in need of help. The author has managed to make some additions into the work to make it very successful. This includes the use of similes in his work. When his mother is naming the owl, the author describes the situation using simile stating that his mother was, â€Å"savoring the syllables, which break like sunlight through her windows crystals, turquoise and yellow† (Fletcher 9). This makes the scene very lively in that the reader is able to form an image of the scene making this section very enjoyable and easily understandable. Moreover, the author uses metaphors to describe some of the small things in that particular scene in great detail. This makes the scene interesting and makes those things appear more beautiful. The author also gets involved in the situation to make their own feelings known to the reader. When describing the owl, the author says that what he liked the most was the eyes of the owl describing them as piercing yellow and the size of dimes. Such description of a small th ing makes the reader aware of how much the

Classroom Management Essays -- Education Teaching

Introduction: Structure, praise, humor, firmness, patience, and high expectations: Welcome to the wonderful world of the classroom atmosphere. Imagine yourself in a classroom where your teacher is there for you, both academically and emotionally. That’s how a classroom should work for both the students and the teacher. Mrs. Mary-Kay Maurer is a perfect example of all of these qualities since she is what has motivated me to become the person I am. Her support as a teacher led me as a student to achieve my highest. Her way of showing me my way furthers the idea that students need a teacher with these characteristics to achieve their best. Therefore, the purpose of this research paper is to explore effective classroom management techniques that prepare the academic achievement of students. Support from teachers: A strong teacher makes the emphasis on the students. Teachers make sure they do this by making time for their students, which means having personal meetings with them. When teachers use their own time to help students, it further shows how supportive teachers are. When students know they can depend on a teacher, the students then feel more comfortable in their learning situation and will be more likely succeed. To further emphasize this support of teachers to students, many teachers use a method of ‘Praise, Question, Polish’; which helps to critique students on a comfortable basis. By using this method, students also learn to become more independent when teachers show them, gradually, that students will learn to write better with the ease of criticism. Also, when teachers use academic guidance, students will want to continue their education which is the best reward a teacher can have, knowing their students want ... ...est of the class. Remember: Structure and fairness combined with clear expectations and a clear lesson in a caring non-threatening environment are the key elements of good teaching (Husted, 2002). Conclusion: Teaching today’s children correctly is essential since these children will grow to be productive people of society. Depending on a teacher’s style, a child could grow and look at problems differently than just being apathetic about a situation. When a teacher has an impact on a student, it lasts a life, just like Mrs. Mary-Kay Maurer did with her students. She taught them about English but still let them see how independent they were and let them grow into adults. Today’s teachers need to be more open-minded with students and form a bond with them. This way, students will appreciate what these teachers are doing for them in the long run of their lives. Classroom Management Essays -- Education Teaching Introduction: Structure, praise, humor, firmness, patience, and high expectations: Welcome to the wonderful world of the classroom atmosphere. Imagine yourself in a classroom where your teacher is there for you, both academically and emotionally. That’s how a classroom should work for both the students and the teacher. Mrs. Mary-Kay Maurer is a perfect example of all of these qualities since she is what has motivated me to become the person I am. Her support as a teacher led me as a student to achieve my highest. Her way of showing me my way furthers the idea that students need a teacher with these characteristics to achieve their best. Therefore, the purpose of this research paper is to explore effective classroom management techniques that prepare the academic achievement of students. Support from teachers: A strong teacher makes the emphasis on the students. Teachers make sure they do this by making time for their students, which means having personal meetings with them. When teachers use their own time to help students, it further shows how supportive teachers are. When students know they can depend on a teacher, the students then feel more comfortable in their learning situation and will be more likely succeed. To further emphasize this support of teachers to students, many teachers use a method of ‘Praise, Question, Polish’; which helps to critique students on a comfortable basis. By using this method, students also learn to become more independent when teachers show them, gradually, that students will learn to write better with the ease of criticism. Also, when teachers use academic guidance, students will want to continue their education which is the best reward a teacher can have, knowing their students want ... ...est of the class. Remember: Structure and fairness combined with clear expectations and a clear lesson in a caring non-threatening environment are the key elements of good teaching (Husted, 2002). Conclusion: Teaching today’s children correctly is essential since these children will grow to be productive people of society. Depending on a teacher’s style, a child could grow and look at problems differently than just being apathetic about a situation. When a teacher has an impact on a student, it lasts a life, just like Mrs. Mary-Kay Maurer did with her students. She taught them about English but still let them see how independent they were and let them grow into adults. Today’s teachers need to be more open-minded with students and form a bond with them. This way, students will appreciate what these teachers are doing for them in the long run of their lives.

Abc Electronic Case Study

ABC Electronics Ltd. – A Wrong Analysis of Consumer Behavior ABC Electronics Ltd. was a company established in 1983 by Mr. Manoj Kumar and over the years had emerged as one of the leaders in the growing segment of the electronics and home appliances market in India. Currently it has a market share of 30% of the home appliances market. Its product strategy has been to offer a wide range, right from mono stereo, two in ones and sophisticated music systems to televisions, refrigerators, washing machines, ovens and microwave ovens.ABC’s marketing strategy also included offering the above products so as to match the needs and budget of the middle and upper middle classes. In 1991, Prasad, son of Mr. Manoj Kumar, took over as the Managing Director of the company. Seeing the intense competition in the post liberalization scenario, Prasad was keen to follow the principle that once you have decided on your target customer, you follow him/her relentlessly with attractive offering s. In 1994, he developed a well focused promotion and distribution strategy. The promotion strategy involved an advertising budget of Rs. 0 crores, a special training program for the sales force and offering freebies and various other sales promotion techniques. In terms of distribution, Prasad selected exclusive showrooms and franchisees to display their wide range of products. The location of the exclusive retail outlets was also selected so as to match the perceptions of the consumers as an â€Å"exclusive showroom† for them. However, even after two years of implementing the new promotion and distribution strategy, the sales of ABC Electronics did not pick up to the extent that the company thought it would.Prasad then directed the marketing manager to conduct a study of other retail outlets to know the trend. The results revealed that there was a change in consumers’ perceptions regarding purchasing consumer durables. There seemed to be a preference for purchasing g oods from multi brand, rather than from single brand outlets. Questions 1. Where do you think Prasad went wrong in his analysis of consumer behavior? 2. Discuss the change in the role of the consumer today, as compared to the consumer five years ago.M/s. Tufleather Ltd. – â€Å" Tufcom Shoes† For the last fifty years, M/s. Tufleather has been in the business of manufacturing and selling leather to companies which make leather shoes and other related products. In the post liberalization period, i. e. , from 1991 onwards, the company was contemplating entering the shoe manufacturing industry, primarily because the Government was giving substantial support to this industry, particularly to firms that were export oriented.With the intention of selling shoes, the company set up its own factory with R & D facilities in Hosur, Tamil Nadu. In 1993, the company’s R & D department developed a material â€Å"Tufcom†, which it claimed had properties of shoe material permeability, strength, flexibility and durability. The company also set up a sub unit to produce shoes with this new material and conducted test marketing to gauge the initial response. The pilot study indicated positive consumer response.Based on the test marketing results, the company set up a large plant with a huge investment and entered into tie ups with reputed shoe manufacturers to buy the new material and make attractive shoe models. They also planned to have an in-house trained team of sales people who would visit the shoe retail outlets and train their sales persons on how to sell shoes. Tufleather also helped the shoe manufacturing companies by providing point of purchase and advertising materials for a nationwide advertising campaign.The company developed a premium pricing strategy for the Tufcom material, based on the consumer perceptual process – the belief that high price is an indicator of high quality. They felt that Tufcom offered quality that was superior to leather in terms of durability and ease of care. After adopting a skimming pricing strategy, the company would later consider penetrating the lower priced shoe market segment. While the first year after the launch of Tufcom shoes showed positive results, sales began to fall drastically after that.Feedback from their sales team indicated that high price buyers did not get motivated by the factors emphasized by Tufleather, namely durability and ease of care. In addition, some complaints were received from buyers of Tufcom shoes that they found the shoes unusually warm. Questions 1. Where do you think the company went wrong in analyzing consumer shoe buying behavior? 2. Do you think the company should identify a new buyer market, namely the lower priced shoe market segment?

My Struggles and Lack of College Readiness - 1075 Words

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