Geologic Map of the MTM-20147 Quadrangle, Mangala Valles Region of Mars
Table of Contents
IDENTIFICATION_INFORMATION
Citation:
Citation_Information:
Originator: Robert A. Craddock
Originator: Ronald Greeley
Publication_Date: 1994
Title: Geologic Map of the MTM-20147 Quadrangle, Mangala Valles
Region of Mars
Edition:
Geospatial_Data_Presentation_Form: Map
Publication_Information:
Publication_Place: Reston, VA
Publisher: Department of Interior - United States Geological Survey
Other_Citation_Details:
Miscellaneous Investigations Series
Published by the US Geolgoical Survey, 1994
Online_Linkage:
Larger_Work_Citation:
Citation_Information:
Originator: United States Geological Survey
Publication_Date:
Title: 1
Publication_Information:
Publication_Place: Reston, VA
Publisher: Department of Interior, United States Geological Survey
Online_Linkage:
Description:
Abstract:
The east Mangala Valles area merits detailed geologic study
because it contains several small channels whose ages can
be determined relative to geologic units that range in age
from early (Noachian) to late (Amazonian) periods of
Martian history. Because small channels are of three ages
and geomorphic types, their study increases our
understanding of the continuity of fluvial processes in the
evolutionary history of Mars. For these reasons, part of
the area is a candidate site for a sample return mission to Mars.
Purpose:
Mars Geology
Supplemental_Information:
The map was compiled on a Viking 1:500,000-scale
photomosaic base (U.S. Geologic Survey, 1985). Some map
units correspond or are partly equivalent to units on
smaller scale maps (Mutch and Morris, 1979; Scott and
Schaber, 1981; Scott and Tanaka, 1986) and the formal
terminology proposed by Scott and Tanaka (1986) was
followed were feasible. However, in many places
interpretations and contacts have been revised to reflect
information visible on high-resolution Viking images;
geomorphologic details on these images were clarified by
spatial filtering (Condit and Chavez, 1979). The depths of
channels, thicknesses of geologic units, and heights of
scarps prevalent in the area were obtained in places by
using photoclinometric methods of Davis and Soberblom
(1984). Geomorphology of channels and stratigraphic
relationsof geologic units observed on both
computer-enhanced and nonenhanced high-resolution images
provide new information regarding the geologic history and
hydrologic activity of the east Mangala Valles area.
The relative ages of small channels and faults were
established by their stratigraphic relation to geologic
units that are either overlapped or transected by these
features. Ages of the geologic units, in turn, were
determined by stratigraphic relations and crater counts.
Cumulative densities of craters whose diameters are greater
than 1 km, normalized to 10^6 km^2, are listed in the unit
descriptions, except as noted for the oldest unit, Noachian
ridged plateau material. (The production-function slope of
this unit falls off for crater diameters less than 40 km as
small craters are preferentially destroyed.)
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: Unknown
Ending_Date: 1989
Currentness_Reference:
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -150.0991
East_Bounding_Coordinate: -144.9008
North_Bounding_Coordinate: -17.4008
South_Bounding_Coordinate: -22.6007
Keywords:
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: Mars
Theme_Keyword: Geology
Theme_Keyword: Candidate_Landing_Site
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: Mangala Valles
Place_Keyword: Amazonis Planitia
Place_Keyword: Terra Sirenum
Place_Keyword: Memnonia Fossae
Place_Keyword: Mars
Place_Keyword: highlands-lowlands_boundary
Access_Constraints:
None
Use_Constraints:
None
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: United States Geological Survey
Contact_Person:
Contact_Position: Map Distribution
Contact_Address:
Address_Type: mailing and physical address
Address: Box 25286, Federal Center
City: Denver
State_or_Province: CO
Postal_Code: 80225
Country: USA
Contact_Voice_Telephone:
Contact_Facsimile_Telephone:
Contact_Electronic_Mail_Address:
Hours_of_Service:
Native_Data_Set_Environment:
ArcView version 3.1 shapefile format
g:\users\shamlin\mars_sarah\mangala_met\i-2310_g
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DATA_QUALITY_INFORMATION
Attribute_Accuracy:
Attribute_Accuracy_Report:
All attributes created during the creation process were
verified by displaying the lines in both the database and
the spatial coverage, but no formal tests were performed.
Logical_Consistency_Report:
These data are believed to be logically consistent, though
no tests were performed.
Completeness_Report:
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
Vertical_Positional_Accuracy:
Vertical_Positional_Accuracy_Report:
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator:
Publication_Date:
Title:
Edition:
Geospatial_Data_Presentation_Form: map
Publication_Information:
Publication_Place:
Publisher:
Other_Citation_Details:
Online_Linkage:
Larger_Work_Citation:
Citation_Information:
Originator:
Publication_Date:
Title:
Publication_Information:
Publication_Place:
Publisher:
Online_Linkage:
Source_Scale_Denominator: 1:502,000
Type_of_Source_Media: mylar maps
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date:
Ending_Date:
Source_Currentness_Reference:
Source_Citation_Abbreviation:
Source_Contribution:
Source_Information:
Source_Citation:
Citation_Information:
Originator: David H. Scott
Originator: James M. Dohm
Originator: Donald J. Applebee
Publication_Date:
Title:
Edition:
Geospatial_Data_Presentation_Form: map
Publication_Information:
Publication_Place:
Publisher:
Other_Citation_Details:
Online_Linkage:
Larger_Work_Citation:
Citation_Information:
Originator:
Publication_Date:
Title:
Publication_Information:
Publication_Place:
Publisher:
Online_Linkage:
Source_Scale_Denominator: 1
Type_of_Source_Media: mylar maps
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date:
Ending_Date:
Source_Currentness_Reference:
Source_Citation_Abbreviation:
Source_Contribution:
Process_Step:
Process_Description:
Map preparation was on mylar or acetate made from USGS
negatives. All features were scanned at 50 microns and then
vectorized and attributed in Arc/INFO
Source_Used_Citation_Abbreviation:
Process_Date: 1998-1999
Source_Produced_Citation_Abbreviation:
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Organization: United States Geological Survey
Contact_Person: Trent Hare
Contact_Position: Computer Specialist
Contact_Address:
Address_Type: mailing and physical address
Address: 2255 N Gemini Dr
City: Flagstaff
State_or_Province: AZ
Postal_Code: 86001
Country: USA
Contact_Voice_Telephone: 520-556-7126
Contact_Facsimile_Telephone:
Contact_Electronic_Mail_Address: thare@usgs.gov
Hours_of_Service:
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SPATIAL_DATA_ORGANIZATION_INFORMATION
Direct_Spatial_Reference_Method: Vector
Point_and_Vector_Object_Information:
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: GT-polygon composed of chains
Point_and_Vector_Object_Count: 215
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SPATIAL_REFERENCE_INFORMATION
Horizontal_Coordinate_System_Definition:
Geographic:
Latitude_Resolution:
Longitude_Resolution:
Geographic_Coordinate_Units: Meters
Geodetic_Model:
Horizontal_Datum_Name: None
Ellipsoid_Name: Mars
Semi-major_Axis: 3393400.0
Denominator_of_Flattening_Ratio: 129.043
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ENTITY_AND_ATTRIBUTE_INFORMATION
Overview_Description:
Entity_and_Attribute_Overview:
Entity_and_Attribute_Detail_Citation:
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DISTRIBUTION_INFORMATION
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: United States Geoogical Survey
Contact_Person: Trent Hare
Contact_Position: Computer Specialist
Contact_Address:
Address_Type: mailing and physical address
Address: 2255 N Gemini Dr
City: Flagstaff
State_or_Province: AZ
Postal_Code: 86001
Country: USA
Contact_Voice_Telephone: 520-556-7126
Contact_Facsimile_Telephone:
Contact_Electronic_Mail_Address: thare@usgs.gov
Hours_of_Service:
Resource_Description:
Distribution_Liability:
Information has been obtained from sources believed to be
reliable, but its accuracy and completeness and the
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METADATA_REFERENCE_INFORMATION
Metadata_Date: 08/09/2000
Metadata_Review_Date:
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: United States Geological Survey
Contact_Person: Stephanie Dudash
Contact_Position: Physical Science Technician
Contact_Address:
Address_Type: Mailing and physical address
Address: 2255 N Gemini Dr.
City: Flagstaff
State_or_Province: AZ
Postal_Code: 86001
Country: USA
Contact_Voice_Telephone: 520-556-7126
Contact_Facsimile_Telephone:
Contact_Electronic_Mail_Address:
Hours_of_Service:
Metadata_Standard_Name: FGDC CSDGM
Metadata_Standard_Version: FGDC-STD-001-1998
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