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  3. Digital database of the geologic map of Alamagan Volcano, northern Mariana Islands
  4. Alamagan Volcano - geologic map shapefiles
  5. Alamagan Volcano - data source polygons

Alamagan Volcano - data source polygons

Dates

Publication Date
Time Period
2020

Citation

Tsang, C.S., Zoeller, M.H., Moore, R.B., and Trusdell, F.A., 2020, Digital database of the geologic map of Alamagan Volcano, northern Mariana Islands: U.S. Geological Survey data release, https://doi.org/10.5066/P9KUIBML.

Summary

Alamagan Volcano is a Quaternary stratovolcano along the Mariana Arc, an active subduction zone in the western Pacific Ocean. Although primarily submerged, its peak reaches above sea level, with subaerially-exposed volcanic deposits dating back through the Holocene to the late Pleistocene. These feature data represent such deposits and other geologic features of Alamagan Volcano, describing its interpreted eruptive history.

Contacts

Point of Contact :
Michael H Zoeller
Process Contact :
Michael H Zoeller
Originator :
Clara S Tsang, Michael H Zoeller, Richard B Moore, Frank A Trusdell
Metadata Contact :
Michael H Zoeller
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase

Attached Files

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Shapefile: NMI_Alamagan_DataSourcePolys.zip
NMI_Alamagan_DataSourcePolys.shp.xml
Original FGDC Metadata
View 		25.36 KB
NMI_Alamagan_DataSourcePolys.CPG 5 Bytes
NMI_Alamagan_DataSourcePolys.dbf 1.88 KB
NMI_Alamagan_DataSourcePolys.prj 417 Bytes
NMI_Alamagan_DataSourcePolys.sbn 140 Bytes
NMI_Alamagan_DataSourcePolys.sbx 116 Bytes
NMI_Alamagan_DataSourcePolys.shp 372 Bytes
NMI_Alamagan_DataSourcePolys.shp.txt 24.44 KB
NMI_Alamagan_DataSourcePolys.shx 116 Bytes

Purpose

This digital database was created in order to provide a digital representation of the Geologic map of Alamagan Volcano, northern Mariana Islands, by Moore and Trusdell (1993).

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Additional Information

Shapefile Extension

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maxY17.62668099365444
maxX145.85749702826809
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