A
Virtual Tour of Mars
Ascraeus
Mons. This volcano sits on an apparent northeast-southwest fracture zone on
the Tharsis bulge along with Pavonis Mons and Arsia Mons. The Tharsis bulge
is a broad uplifted region on Mars from which radial surface fractures extend
for thousands of kilometers. There has been a large amount of volcanic activity
within this gently sloping region. The summit of this feature sits at 10-11
km above the Martian datum and a conservative estimate of its diameter is 5500
km.
Tharsis
Tholus; also on the Tharsis bulge.
Ceranius
Tholus (lower right) and Uranius Tholus (above Ceranius). The fractures at left
are known as Ceranius Fossae; they extend radially from the Tharsis bulge.
Mars
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Questions and comments about this page should be addressed to:
Dr. David R. Williams, david.r.williams@nasa.gov,
(301) 286-1258
NSSDCA, Mail Code 690.1, NASA/Goddard Space Flight Center, Greenbelt, MD 20771
Page Author: Malcolm J. Shaw, Malcolm_Shaw@pcp.ca
NASA Official: Dr. Ed Grayzeck, edwin.j.grayzeck@nasa.gov
Last Updated: 15 January 1999, DRW