Mars Analog Handlens-Scale
Image Data Base
This data set is a collection of images
of potential martian analog features and materials taken
at 10 micrometers per pixel resolution, approximately
the scale of a geologist's handlens, along with
associated measurements and other information about each
sample. The data were provided by Aileen Yingst,
Planetary Science Institute, and archived by the PDS
Browse the Archive
Analog Data Browser to view the images
and read the associated documentation.
Download the Archive
MAHANDLENS.ZIP is a
zip-compressed 1.08 GB file containing the complete
Direct Access to Archive Contents
- Start here for access to the entire volume.
AAREADME.TXT - Introduction to the archive. Read this first.
VOLDESC.CAT - Description of the volume contents as a PDS catalog
- The INDEX directory contains a PDS index table for
this archive. This table has one record for each primary image product in the
archive. See the
INDXINFO.TXT for additional details.
- A list of all primary images in the archive. For each image the
table gives the context images, description files, and associated
measurements. This file is described by the label
- All images in this data set are found in the DATA
directory. Primary image data products have file names beginning with IMG_. Most
primary images have associated meter-scale and centimeter-scale context images,
whose names begin with MIMG_ and CIMG_ respectively. Many primary images also
have associated ancillary image files, whose names begin with AIMG_.
- 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 contains text descriptions
of the the samples imaged in this archive. For each primary image in the
archive, the file
INDEX.TAB (above) lists the relevant
description files in the DOCUMENT directory. The contents of the directory are
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
spreadsheet as submitted to PDS, which became the basis for the file
INDEX.TAB described above. The contents of this directory are described in