The MAFLA (Mississippi, Alabama, Florida) Study, Grain Size Analyses

Metadata Updated: February 3, 2017

The MAFLA (Mississippi, Alabama, Florida) Study was funded by NOAA as part of the Outer Continental Shelf Program. Dr. L.J. Doyle produced grain size analyses in the historic 073 format for 2,168 sea floor samples collected on multiple cruises (MAFLA cruises 2, 10, 11, 29, 39, 14, 21, and MAFLA DM1 and DM2) conducted in the Gulf of Mexico from May 16, 1974 through February 20, 1978. Data include collecting institution, ship, cruise, sample id, latitude/longitude, date of collection, water depth, sampling device, method of analysis, sample weight, sampled interval, raw weight percentages of sediment, within a given phi range. Some samples also have percentages of total gravel, sand, silt, clay, and statistical measurements such as mean, median, skewness, kurtosis, and standard deviation of grain size. These data are part of the larger NCEI digital grain size database.

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Downloads & Resources

Dates

Metadata Date December 31, 2015
Metadata Created Date September 26, 2015
Metadata Updated Date February 3, 2017
Reference Date(s) March 20, 1985 (publication), March 20, 1985 (revision)
Frequency Of Update notPlanned

Metadata Source

Harvested from NOAA CSW Harvest Source

Graphic Preview

sample locations in study area

Additional Metadata

Resource Type Dataset
Metadata Date December 31, 2015
Metadata Created Date September 26, 2015
Metadata Updated Date February 3, 2017
Reference Date(s) March 20, 1985 (publication), March 20, 1985 (revision)
Responsible Party DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce (Point of Contact)
Contact Email
Access Constraints While every effort has been made to ensure that these data are accurate and reliable within the limits of the current state of the art, NOAA cannot assume liability for any damages caused by any errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NOAA makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty., Access to this dataset is unrestricted.
Bbox East Long -82.248
Bbox North Lat 30.305
Bbox South Lat 25.647
Bbox West Long -88.949
Coupled Resource
Frequency Of Update notPlanned
Graphic Preview Description sample locations in study area
Graphic Preview File https://www.ngdc.noaa.gov/mgg/image/geolin/preview03995010.gif
Graphic Preview Type GIF
Guid gov.noaa.ngdc.mgg.geology:G02890
Harvest Object Id 472f90e4-70f0-4adf-8f03-5a89598c015a
Harvest Source Id 2aed8e29-fc5b-4cde-aa66-fb1118fd705e
Harvest Source Title NOAA CSW Harvest Source
Licence Please cite the originator of the data set, the date downloaded, and the National Centers for Environmental Information, NOAA, as the source of the data., Produced by the NOAA National Centers for Environmental Information. Not subject to copyright protection within the United States.
Metadata Language eng: USA
Metadata Type geospatial
Progress completed
Spatial Data Service Type
Spatial Reference System urn:ogc:def:crs:EPSG:4326
Spatial Harvester True
Temporal Extent Begin 1974-05-16
Temporal Extent End 1978-02-20

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