GPR applied to San Marcos Pueblo, NM, Archaeological Site - PowerPoint PPT Presentation

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GPR applied to San Marcos Pueblo, NM, Archaeological Site

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GPR applied to San Marcos Pueblo, NM, Archaeological Site. Laura Russon. Outline: What is GPR? ... Average Amplitude Time Slice: 0 to 9.94 ns. X position in ... – PowerPoint PPT presentation

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Title: GPR applied to San Marcos Pueblo, NM, Archaeological Site


1
GPR applied to San Marcos Pueblo, NM,
Archaeological Site
  • Laura Russon

2
Outline
  • What is GPR?
  • Dewow Filtering
  • Midden 2 site
  • GPR scatter and reflection
  • Anomaly east of Mission Complex

3
Ground Penetrating Radar
A.P. Annan, GPR notes
4
Dewow Filtering
A.P. Annan, GPR notes
5
Average Amplitude Time Slice 0 to 9.94 ns
Y position in meters
N
X position in meters
µV
6
Average Amplitude Time Slice 9.94 to 19.87 ns
Y position in meters
N
X position in meters
µV
7
Average Amplitude Time Slice 19.87 to 29.81 ns
Y position in meters
N
X position in meters
µV
8
Line 1
S
N
Line 2
N
S
S
9
Normalized cross-sectional area
Fresnel type reflection
A.P. Annan, GPR notes
10
Midden 2
Potential Kivas
Top Slice
Second Slice
11
Average Amplitude 0 to 9.94 ns
Room Block 12
Mission Complex
12
Conclusions
  • GPR data revealed two cylindrical anomalies
    characterized by fine grained erosional sediment.
  • Minimum depth of cylindrical anomalies is 1.5 m.
  • A kiva is cylindrical
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