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| Value | Definition |
|---|---|
| Qaf | Artifical fill |
| Qdg | Disturbed ground |
| Qw | Very young wash deposits |
| Qw2 | Very young wash deposits, Unit 2 |
| Qw1 | Very young wash deposits, Unit 1 |
| Qf | Very young alluvial fan deposits |
| Qf2 | Very young alluvial fan deposits, Unit 2 |
| Qf1 | Very young alluvial fan deposits, Unit 1 |
| Qa | Very young alluvial-valley deposits |
| Qsw | Very young slope wash deposits |
| Qc | Very young colluvial deposits |
| Qt | Very young talus deposits |
| Qls | Very young landslide deposits |
| Qp | Very young playa deposits |
| Qp1 | Very young playa deposits, Unit 1 |
| Qe | Very young eolian deposits |
| Qs | Very young surficial deposits, undifferentiated |
| Qyw | Young wash deposits |
| Qyf | Young alluvial fan deposits |
| Qyf5 | Young alluvial fan deposits, Unit 5 |
| Qyf4 | Young alluvial fan deposits, Unit 4 |
| Qyf3 | Young alluvial fan deposits, Unit 3 |
| Qyf2 | Young alluvial fan deposits, Unit 2 |
| Qyf1 | Young alluvial fan deposits, Unit 1 |
| Qysw | Young slope wash deposits |
| Qyc | Young colluvial deposits |
| Qyls | Young landslide deposits |
| Qyp | Young playa deposits |
| Qye | Young eolian deposits |
| Qys | Young surficial deposits, undifferentiated |
| Qof | Old alluvial fan deposits |
| Qof3 | Old alluvial fan deposits, Unit 3 |
| Qof2 | Old alluvial fan deposits, Unit 2 |
| Qof1 | Old alluvial fan deposits, Unit 1 |
| Qoc | Old colluvial deposits |
| Qos | Old surficial deposits, undifferentiated |
| Qvof | Very old alluvial fan deposits |
| Qvof3 | Very old alluvial fan deposits, Unit 3 |
| Qvof2 | Very old alluvial fan deposits, Unit 2 |
| Qvof1 | Very old alluvial fan deposits, Unit 1 |
| Qvosw | Very old slope wash deposits |
| TKmg | Mafic granodiorite |
| Mzu | Granitic rocks, undivided |
| Kdp | Monzogranite of Deadman Point |
| Khr | Hybrid rocks |
| KTrmm | Mixed monzogranite and leucocratic monzonite |
| Kaw | Alaskitic rocks of western Granite Mountains |
| Krp | Rattlesnake pluton of MacColl (1964), porphyritic monzogranite |
| Kr | Rattlesnake pluton of MacColl (1964), even-grained monzogranite |
| Klm | Monzogranite of Luna Mountain |
| Kml | Mixed mafic and leucocratic granitic rocks |
| Khl | Heterogeneous leucocratic granitic rocks |
| Km | Mixed granitic and metamorphic rocks |
| KJhb | Hornblende-biotite granodiorite |
| KJdg | Mixed diorite and gabbro |
| KJos | Mixed granitic rocks of Oak Spring |
| Jcr | Cataclastic rocks |
| Jsc | Fine-grained rocks of Silver Canyon |
| Tra | Alaskite of Sunset Cove |
| Trsp | Quartz monzonite of Strawberry Peak |
| Trh | Monzonite of Hill 4001 |
| Trrl | Monzonite of Rabbit Lake |
| Trfp | Monzonite Fifteenmile Point |
| Trf | Monzonite of Fawnskin |
| Trfl | Leucocratic monzonite of Fawnskin |
| m | Metasedimentary rocks, undivided |
| Value | Definition |
|---|---|
| C17 | Contact, landslide, location meets map accuracy standard |
| C19 | Contact, landslide, inferred, location may not meet map accuracy standard |
| C29 | Contact, sedimentary, location meets map accuracy standard |
| C30 | Contact, sedimentary, location may not meet map accuracy standard |
| C31 | Contact, sedimentary, inferred, location may not meet map accuracy standard |
| C37 | Contact, sedimentary, separates terraced alluvial units, location meets map accuracy standard |
| C49 | Contact, igneous, location meets map accuracy standard |
| C50 | Contact, igneous, location may not meet map accuracy standard |
| C51 | Contact, igneous, inferred, location may not meet map accuracy standard |
| C54 | Contact, igneous, identity questionable, inferred, location may not meet map accuracy standard |
| C99 | Contact, igneous, scratch boundary |
| CL1 | Cartographic line, map boundary |
| F1 | Fault, high angle, slip unspecified, generic, location meets map accuracy standard |
| F7 | Fault, high angle, slip unspecified, location meets map accuracy standard |
| F14 | Fault, high angle, strike slip, right lateral, inferred, location may not meet map accuracy standard |
| F177 | Fault, low angle, thrust slip, older over younger, location meets map accuracy standard |
| F178 | Fault, low angle, thrust slip, older over younger, location may not meet map accuracy standard |
| F180 | Fault, low angle, thrust slip, older over younger, inferred beneath mapped covering unit, location may not meet map accuracy standard |
| F183N | Fault, low angle, thrust slip, older over younger, existence questionable, inferred beneath mapped covering unit, location may not meet map accuracy standard |
| F19 | Fault, high angle, slip unspecified, inferred beneath mapped covering unit, location may not meet map accuracy standard |
| F193 | Fault, low angle, thrust slip, older over younger, thrust scarp, location meets map accuracy standard |
| F195N | Fault, low angle, thrust slip, older over younger, thrust scarp, identity questionable, location may not meet map accuracy standard |
| F2 | Fault, high angle, strike slip, right lateral, location meets map accuracy standard |
| F31 | Fault, high angle, slip unspecified, generic, existence questionable, location may not meet map accuracy standard |
| GF7 | Geomorphic feature, topographic scarp, origin unknown, location may not meet map accuracy standard |
| LT2 | Lineament, aligned topographic saddles, location may not meet map accuracy standard |
| Value | Definition |
|---|---|
| B2 | Bedding, inclined, sedimentary rocks |
| FN13 | Foliation, primary igneous, inclined |
| FN14 | Foliation, primary igneous, vertical |
| L1 | Lineation, origin not determined |
| Value | Definition |
|---|---|
| FC2 | Fault attribute, strike slip arrows, right lateral |
Technical review by Karl Kellog led to significant improvements that eventually were reflected in aspects of the database, the plot file, and in the description of the geologic units of the Fifteenmile Valley 7.5' quadrangle.
Geologic mapping and digital preparation of this report were sponsored jointly by (1) the National Cooperative Geologic Mapping Program of the U.S. Geological Survey, (2) the California Division of Mines and Geology, and (3) the Southern California Areal Mapping Project (SCAMP). In our digital preparation of the data set, carried out in the Geographic Information System laboratory of the Mineral Resources Program of the U.S. Geological Survey in Spokane, Washington by Pamela M. Cossette, we received valuable assistance from Paul C. Hyndman in Spokane, Washington, and from Rachel Alvarez at the SCAMP Geographic Information System laboratory in Riverside, California.
The data set for the Fifteenmile Valley 7.5' quadrangle was prepared under the U.S. Geological Survey Southern California Areal Mapping Project (SCAMP) as part of an ongoing effort to develop a regional geologic framework of southern California, and to utilize a Geographical Information System (GIS) format to create regional digital geologic databases. These regional databases are being developed as contributions to the National Geologic Map Database of the National Cooperative Geologic Mapping Program of the USGS.
The digital geologic map database for the Fifteenmile Valley 7.5' quadrangle has been created as a general-purpose data set that is applicable to other land-related investigations in the earth and biological sciences. For example, it can be used for mineral resource evaluation studies, animal and plant habitat studies, and soil studies in the San Bernardino National Forest. The database is not suitable for site-specific geologic evaluations.
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Scale (X,Y) = (609.484,609.992)
Skew (degrees) = (0.010)
Rotation (degrees) = (0.001)
Translation = (-6431.841,-881.055)
RMS Error (input,output) = (0.000,0.247)
Affine X = Ax + By + C
Y = Dx + Ey + F
A = 609.484 B = 0.099 C = -6431.841
D = 0.012 E = 609.992 F = -881.055
TICs
id input x input y output x output y x error y error
-------------------------------------------------------------
1 19.985 1.447 5748.683 1.770 0.215 -0.121
2 1.120 1.447 -5748.683 1.770 -0.215 0.121
3 1.131 24.178 -5740.129 13867.671 0.215 -0.122
4 19.967 24.178 5740.129 13867.671 -0.215 0.122
Are there legal restrictions on access or use of the data?Access_Constraints: None
Use_Constraints:The Fifteenmile Valley 7.5' geologic-map database should be used to evaluate and understand the geologic character of the Fifteenmile Valley 7.5' quadrangle as a whole. The data should not be used for purposes of site-specific land-use planning or site-specific geologic evaluations. The database is sufficiently detailed to identify and characterize geologic materials and structures. However, it is not sufficiently detailed for site-specific determinations.
Use of this digital geologic map database should not violate the spatial resolution of the data. Although the digital form of the data removes the constraint imposed by the scale of a paper map, the detail and accuracy inherent in map scale are also present in the digital data. The fact that this database was compiled and edited at a scale of 1:24,000 means that higher resolution information may not have been uniformly retained in the dataset. Plotting at scales larger than 1:24,000 will not yield greater real detail, although it may reveal fine-scale irregularities below the intended resolution of the database. Similarly, although higher resolution data is incorporated in most of the map, the resolution of the combined output will be limited by the lower resolution data.
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 delivery, installation, operation, or support by USGS.
This digital, geologic map database of the Fifteenmile Valley 7.5' quadrangle, 1:24,000 map-scale, and any derivative maps thereof, is not meant to be used or displayed at any scale larger than 1:24,000 (e.g., 1:12,000).
| Data format: | Geologic map units, and structural features in format ARCE, TIFF (version 7.2.1) Size: 4 |
|---|---|
| Network links: |
http://pubs.usgs.gov/of/2001/0132/fif.tar.gz |