People have used wood for millennia for many purposes‚ primarily as a fuel or as a construction material for making houses‚ tools‚ weapons‚ furniture‚ packaging‚ artworks‚ and paper. Wood can be dated by carbon dating and in some species by dendrochronology to make inferences about when a wooden object was created. The year-to-year variation in tree-ring widths and isotopic abundances gives clues to the prevailing climate at that time. Wood has been an important construction material since humans
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charcoal? Radiocarbon The prograde part of a metamorphic P-T path occurs during _________________. Burial and heating Someone brings a piece of wood from Noah’s Arc and asks you to date the Arc. What is the correct method to use? With dendrochronology What type of metamorphism is caused by igneous intrusions? Contact Which of the following minerals would be most concentrated at a site containing heavily weathered sediments? Quartz The earliest estimate of the earth’s age was based
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Definitions to know for Ancient History Palaeontology- The branch of science concerned with fossil animals and plants Pumice- A very light and porous volcanic rock formed when a gas-rich froth of glassy lava solidifies rapidly Source- A source is a piece of material used as ‘evidence’ when focusing on a particular time period‚ event or moment in history Primary source- Primary source is a term used in a number of disciplines to describe source material that is closest to the person‚ information
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Know the approximate time boundary between prehistory and history and what development it is based on. Archaeologists define prehistory as that portion of human history that extends back some 2.5 million years before the time of written documents and archives. History is the study of human experience through the time of written documents‚ has a much shorter time span. Written records go back to the 5‚000 years ago in western Asia. 1. What percentage of human existence has been in prehistoric
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From pericycle between two protoxylems (UP CPMT 2011). Secondary growth this the growth in girth of stem and roots. Anomalous or abnormal secondary growth is found in some monocot stems such as Yucca‚ Dracaena‚ Aloe‚ Agave‚ etc (UP CPMT 2011). Dendrochronology is the determination of the age of a tree by counting annual rings (These rings are formed by the activity of cambium in dicot root and stem) (UP CPMT 2011). The bulliform cells in the leaves absorb water and they become turgid. Thus‚ the leaf
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The remains of ancient plants can provide a wealth of archaeological information about a site‚ with many methods being available to the archaeologist engaged in extracting this data. Perhaps one of the most widely-known of these techniques‚ possibly because of its attractive nature‚ is pollen analysis - a technique developed in the early years of the twentieth century by‚ like so many archaeological techniques‚ a geologist -- the Norwegian Lennart van Post. To understand the technique and the uses
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Myths of the Mound Builders The first time I heard about the Mound Builders‚ which was in this class‚ these people seemed like a very primitive group. What was so exciting about having the skill of piling up a bunch of dirt. Then I was able to see some of these mounds and the scale was nothing I had imagined. These mounds were huge and also contained distinct structural shapes. Tombs‚ houses‚ and religious structures were constructed in or on top of the mounds. What made the edifices even
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CAN PAST TALK TO US INTRODUCTION 1. A few years back a movie titled ‘Jurassic Park’ was released and soon became box office hit. When I saw the movie I was astonished and impressed by the on screen appearance of the huge creatures‚ the dinosaurs‚ of different variety. The object of appreciation was‚ of course‚ the computer generated graphics and animation. But more than that‚ I was really amazed by the knowledge the people had about these wild monsters‚ who are the species extinct for almost
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Chapter One-Introduction Anthropology: the study of humans in all times‚ situations‚ and places. Physical Anthropology: the scientific study of humans as biological organisms‚ in an evolutionary context. Branches of Physical Anthropology: Human evolution: the study of how and why our human ancestors changed over millions of years. Genetics: the mechanics of inheritance and how evolutionary change works. Paleoanthropology: the study of the fossil record of ancestral humans and
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Nuevo State Reserve - desire to have better understanding of such practices‚ how CA Indians enhanced biodiversity and productivity of plants/animals through prescribed burning Main points: 1. Use fire history or fire ecology‚ fire scar dendrochronology 2. Use palynology/charcoal 3. Archaeology: CA-SMA-113 1. poop. high status position‚ cook for large # of people 1. Observe cultural rules 1. living site - shovel hurts it 2. No artifact collection on sacred mound
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