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  3. Modified basal contact of the Tertiary Lares Limestone in the vicinity of Utuado, Puerto Rico, USA, derived from USGS Open-File Report 98-038

Modified basal contact of the Tertiary Lares Limestone in the vicinity of Utuado, Puerto Rico, USA, derived from USGS Open-File Report 98-038

Dates

Publication Date
Time Period
2016-01-01

Citation

Perkins, J.P., Baxstrom, K.W., Einbund, M.M., and Schulz, W.H., 2023, Modified basal contact of the Tertiary Lares Limestone in the vicinity of Utuado, Puerto Rico, USA, derived from USGS Open-File Report 98-038: U.S. Geological Survey data release, https://doi.org/10.5066/P9NL9EZG.

Summary

This dataset comprises a vector shapefile of the Puerto Rico geologic map from Bawiec et al. (1999), clipped to study areas in the Lares, Utuado, and Naranjito municipalities, with a modified basal contact of the Tertiary Lares Limestone (Tla) re-mapped using a lidar-derived digital elevation model (DEM) (USGS, 2018). The limestone unit of interest forms a prominent break in slope with the underlying geologic units, and this break in slope was mapped as the Tla basal contact. Only the southern contact of the Tla unit was modified. References: Bawiec, W.J., ed., 1999, Geology, geochemistry, geophysics, mineral occurrences and mineral resource assessment for the Commonwealth of Puerto Rico: U.S. Geological Survey Open-File Report 98-038, [...]

Contacts

Point of Contact :
Jonathan P Perkins
Originator :
Jonathan P Perkins, Kelli W Baxstrom, Mason M Einbund, William H Schulz
Metadata Contact :
Jonathan P Perkins
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
Geology, Minerals, Energy, and Geophysics Science Center
USGS Mission Area :
Natural Hazards

Attached Files

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Metadata_modified_basal_contact_Lares_Limestone.xml
“Metadata ”
Original FGDC Metadata
View 		12.88 KB application/fgdc+xml
Shapefile: geology_tla_modified_epsg_6566.zip
geology_tla_modified_epsg_6566.sld 56.29 KB
geology_tla_modified_epsg_6566.cpg 5 Bytes
geology_tla_modified_epsg_6566.dbf 30.99 KB
geology_tla_modified_epsg_6566.prj 550 Bytes
geology_tla_modified_epsg_6566.shp 1.98 MB
geology_tla_modified_epsg_6566.shx 3.62 KB

Purpose

This geologic contact was modified to more accurately characterize the underlying geology and geomorphic domains for subsequent analyses of high-resolution slope stability modeling.

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Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9NL9EZG

Shapefile Extension

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minX-66.92078622181137
maxY18.372386345373034
maxX-66.1982277798579
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