Anth 2015

Anth 2015 - Anth2015TEST2 9/27/11 MappinginArchaeology...

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Anth 2015- TEST 2 15:28 9/27/11 Mapping in Archaeology Use a map that is accurate Pace and compass- how to walk metric; not very accurate Tape and compass- tape measure with friend and record Both commonly used during survey Purpose of a Transit in Archaeology To make a topographic map of a site To set out places to excavate Information from a Transit Elevation: height difference between transit and stadia Distance: between transit and stadia rod Angle: degrees east or west of direction in which transit is set up Reading Elevation using a transit Look through the telescope of the transit Read the number on the stadia rod where the central stadia hair crosses Compare the number with the Instrument (transit) height
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Reading Distance using a transit Look through the telescope of the transit Count the numbers between the central and upper stadia hairs W7Multiply by 200 Recording Transit Information Use a survey notebook to record data From (transit) To (each point) Distance Elevation  Angle How to make a Topographic Map Topographic map= contour map Contours= lines on the map showing elevation Contour lines= places of equal elevation Therefore, contour lines cannot intersect How to select the “contour Interval” Contour interval= distance between lines Use contours to show elevation (eg. Mounds) Look at your site and select contour interval appropriate to show elevation differences Making a Contour Map
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Start from the “Datum” point where the transit was set up (1.0 m elevation) Map shows elevations along 4 rays Contour interval= .25 m For each ray, find 1.25, 1.50, 1.75 Join the points to make contour lines Geographic Information Systems (GIS) Computerized maps with attached database Trace topographic map on a computer tablet and store map in computer- and location Use “total station” (computerized transit) to collect information and produce map Collect information from transit and enter members in computer to generate map Benefits of GIS Produce multiple copies of map Overlay many layers of information (sites, terrain, rivers, etc.) Store information about maps in database Solve problems GIS in Archaeology “Is there a relation between the density of artifacts on the sea floor at Wild Cane Cay  and the offshore topography?”
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Sampling 15:28 Sampling in Survey and Excavation Complete survey or excavation: no sampling in that case (but its rare) Partial survey or excavation: sampling Sampling in Regional Survey Is it a good way to find sites? Regional survey in Teotihuacan Valleys
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This note was uploaded on 11/07/2011 for the course ANTH 2015 taught by Professor Sills during the Spring '08 term at LSU.

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Anth 2015 - Anth2015TEST2 9/27/11 MappinginArchaeology...

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