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Planetary Terrestrial Surfaces and Exploring Mars

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Planetary Terrestrial Surfaces and Exploring Mars Jaclyn and Carlton Allen Astromaterials Research and Exploration Science at Johnson Space Center – PowerPoint PPT presentation

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Title: Planetary Terrestrial Surfaces and Exploring Mars


1
Planetary Terrestrial Surfaces and Exploring Mars
Jaclyn and Carlton Allen Astromaterials Research
and Exploration Science at Johnson Space Center
2
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4
Volcanoes Mars
Earth
5
Lava Layering making and mapping a volcano
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7
Impact Craters
Earth
Mars
8
Mars Dunes Earth Dunes
9
Mars and Earth both formed 4.5 billion years
ago. Did Mars once have a warm, wet environment
for life?
10
Examples of Meanders
Mars
Earth
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Mesas in Utah
21
ESA-MEX
Plateau Region
Field of View 60 km wide
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23
Kasei Valles Landslide
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27
Mars Exploration Rover Landing Sites
Gusev Crater
Meridiani Planum
Ancient lake sediments?
Water-formed hematite?
28
Mars Exploration Rover
29
GUSEV CRATER
100 km
COLOR-CODED TOPOGRAPHIC MAP RED IS HIGH, BLUE
IS LOW
30
Spirit landing ellipse in Gusev Crater 100 X 20
km
31
Gusev Crater still looking for the lakebed
sediments
Windblown soil and dust
Volcanic rocks
32
Weathered Basalt at Spirit Site Surface coated
with alteration products
33
Spirits Objectives
34
AREAS OF HEMATITE CONCENTRTIONS RED IS HIGH,
BLUE IS LOW
MERIDIANI PLANUM
35
Opportunity landing ellipse in Meridiani Planum
100 X 20 km
36
Eagle Crater Meridiani Planum
Sulfur-rich rocks
Hematite-rich soil
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38
Blueberries are enriched in hematite (no goethite)
39
Hematite Concretions Navaho Sandstone, Utah
lt--4 cm--gt
40
Best Earth analog found so far Hematite
concretions from sandstone Escalante, UT
41
Deposition in slow moving Water
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