Mars Exploration Rover
Oxide Abundance Data
September 19, 2016.
PDS release 49
includes APXS Oxide Abundance data for Opportunity sols
1 through 4000, updating the previous delivery from
This data set contains oxide abundance
data derived from the APXS Reduced Data Record (RDR)
products acquired by the Alpha Particle X-ray
Spectrometers on both MER rovers. The data were provided by
Ralf Gellert, University of Guelph, and Rudolph Rieder,
Max Planck Institute, and archived by the PDS
Download the Archive
mer_apxs_oxide.zip is a zip-compressed 315 KB file
containing the complete archive.
Direct Access to Archive Contents Online
- Start here for access to the entire volume.
AAREADME.TXT - Introduction to the archive. Read this first.
ERRATA.TXT - Release notes and errata concerning the archive.
VOLDESC.CAT - Description of the volume contents as a PDS catalog
- This archive consists of two tables, one for each rover. Each table is
accompanied by a PDS label that defines the table columns. The tables are in
comma-separated-value (CSV) format, viewable in any text editor and suitable for
loading into a spreadsheet program such as Microsoft Excel.
- Files in the CATALOG directory are text files
containing documentation formatted for reading by humans and by software. The files
contain information about the data set,
the instrumentation, references, and
personnel involved in archiving the data. See the file
CATINFO.TXT for details. These files are called catalog
files because they are entered into the PDS Catalog for online searching.
DOCUMENT Directory - The DOCUMENT directory has notes from the APXS
Payload Element Lead. These notes contain important
caveats regarding the use of the data. Read these notes carefully to avoid
misinterpretation of the data.
- The INDEX directory contains a PDS index table for this archive. See
INDXINFO.TXT for additional details.
- A list of the products in this archive, their path and file names
relative to the root directory, and the product creation time. This file is described by the label
EXTRAS Directory - The EXTRAS directory
in a PDS archive contains ancillary
material that may be useful but is not required for the understanding of the
archive. In this archive, the EXTRAS directory contains the original Excel
spreadsheets as submitted to PDS, which became the basis for the tables in the
DATA directory described above. The contents of this directory are described in