|1||U.S. Geological Survey, 1993|
|41||Walker and MacLeod, 1991|
|yes||fault IS a contact between rock units|
|no||fault is NOT a contact between rock units|
|(no entry)||The feature is NOT a fault.|
|e||East side of fault is downdropped with respect to the west side of the fault.|
|n||North side of fault is downdropped with respect to the south side of the fault.|
|ne||Northeast side of fault is downdropped with respect to the southwest side of the fault.|
|nw||Northwest side of fault is downdropped with respect to the southeast side of the fault.|
|s||South side of fault is downdropped with respect to the north side of the fault.|
|se||Southeast side of fault is downdropped with respect to the northwest side of the fault.|
|sw||Southwest side of fault is downdropped with respect to the northeast side of the fault.|
|w||West side of fault is downdropped with respect to the east side of the fault.|
|(no entry)||no movement was observed|
|Range of values|
The National Mapping Division of the U.S. Geological Survey scanned and vectorized mylar compilation sheets and converted the files to ArcInfo; Gary L. Raines and Katherine A. Connors added a data model and additional attribute data for an initial digital edition (Raines and others, 1996) of the Walker and MacLeod (1991) geologic map of Oregon.
This second digital edition, prepared by Robert J. Miller, represents further revision of Raines and others' (1996) first edition.
This report is one of many being created by the U.S. Geological Survey as an ongoing effort to provide geologic process and mineral resource information for use in spatial analysis in a geographic information system (GIS). This database can be queried in many ways to produce a variety of geologic maps. This database is not meant to be used or displayed at any scale larger than 1:500,000 (for example, 1:100,000).
Are there legal restrictions on access or use of the data?
Use_Constraints:This digital database is not intended to be used or displayed at any scale larger than 1:500,000.
Any hardcopies utilizing these data sets shall clearly indicate their source. If the user has modified the data in any way they are obligated to describe the types of modifications they have performed on the hardcopy map. User specifically agrees not to misrepresent these data sets, nor to imply that changes they made were approved by the U.S. Geological Survey.
This database has been approved for release and publication by the Director of the USGS. Although this database has been subjected to rigorous review and is substantially complete, the USGS reserves the right to revise the data pursuant to further analysis and review. Furthermore, it is released on condition that neither the USGS nor the United States Government may be held liable for any damages resulting from its authorized or unauthorized use.
The U.S. Geological Survey (USGS) provides these geographic data "as is". The USGS makes no guarantee or warranty concerning the accuracy of information contained in the geographic data. The USGS further makes no warranties, either expressed or implied as to any other matter whatsoever, including, without limitation, the condition of the product, or its fitness for any particular purpose. The burden for determining fitness for use lies entirely with the user. Although these data have been processed successfully on computers at the USGS, no warranty, expressed or implied, is made by the USGS regarding the use of these data on any other system, nor does the fact of distribution constitute or imply any such warranty.
In no event shall the USGS have any liability whatsoever for payment of any consequential, incidental, indirect, special, or tort damages of any kind, including, but not limited to, any loss of profits arising out of use of or reliance on the geographic data or arising out of the delivery, installation, operation, or support by USGS.
This digital map dataset of the Geologic map of Oregon, is not meant to be used or displayed at any scale larger than 1:500,000 (for example, 1:100,000 or 1:24,000).
|Data format:||Geologic units and structural features in format ARCE (version 8.x) Size: 58.3|