Exploring Habitability, Hydrology, and Climate Change on Mars at ...
Transcript of Exploring Habitability, Hydrology, and Climate Change on Mars at ...
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Exploring Habitability, Hydrology, and Climate Change on Mars at Columbus
Crater Abstract #1041
Kennda Lynch1 and James Wray2 1 Depart of Civil & Environmental Engineering, Colorado School of Mines
2School of Earth and Atmospheric Sciences, Georgia Tech
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Columbus Crater: Overview 1st EZ Workshop for Human Missions to Mars
Ground-‐water filled paleolake basin~110 km in diameter Estimated 1.5 km depth of sedimentary and/or volcanic infill Excellent crater retention for age dating Diversity of Noachian & Hesperian aged deposits and outcrops High diversity of aqueous mineral deposits
Polyhydrated sulfates
Al-‐phyllosilicate
Fe/Mg-‐phyllosilicate
Jarosite, alunite
Monohydrated sulfate
Unknown hydrated phase
b
CAB2 5AA4
750A
13D1F
13FF5
16F13
1663B
ABF2
16CFE
7D87
12C19
1212A
5483
62B6
13EEF
8565
167FA
Columbus Crater Wray et al., 2011 2
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1st EZ Workshop for Human Missions to Mars
Columbus Crater
Analog Studies
Lynch et al., 2015 3
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Columbus Crater
LZ & Field Station Latitude: 194.0194 E Longitude: 29.2058 S Altitude: +910 m
SROI #1
SROI #2
SROI #5
SROI #4
RROI #1 LZ/HZ
22 KM
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1st EZ Workshop for Human Missions to Mars
Science ROI(s) Rubric
Site Factors
SR
OI1
SR
OI2
SR
OI3
SR
OI4
SR
OI5
RR
OI1
EZ S
UM
Sci
ence
Sit
e C
rite
ria
Ast
robi
o
Threshold
AN
D/
OR
Potential for past habitability ● ● ● ● ● ● (6,0) Potential for present habitability/refugia ? ? ? ? ? (0,0)
Qualifying Potential for organic matter, w/ surface exposure ● ○ ● ● ● ● (5,1)
Atm
osph
eric
Sci
ence
Threshold Noachian/Hesperian rocks w/ trapped atmospheric gases ● ● ● ● ● ● (6,0)
Qualifying
Meteorological diversity in space and time ● ● ● ● (4,0) High likelihood of surface-atmosphere exchange ● ● ● (3,0)
Amazonian subsurface or high-latitude ice or sediment ○ ○ ○ ○ ○ ○ (0,6) High likelihood of active trace gas sources ? ? ? ? ? ? (0,0)
Geo
scie
nce
Threshold
Range of martian geologic time; datable surfaces ● ● ● ● ● (5,0) Evidence of aqueous processes ● ● ● ● ● ● (6,0)
Potential for interpreting relative ages ● ● ● ● ● ● (6,0)
Qualifying
Igneous Rocks tied to 1+ provinces or different times ● ● ● (3,0) Near-surface ice, glacial or permafrost ? ? ? ? ? ? (0,0)
Noachian or pre-Noachian bedrock units ○ ○ (0,2) Outcrops with remnant magnetization ○ ○ (0,2)
Primary, secondary, and basin-forming impact deposits ● ● ● (3,0) Structural features with regional or global context ● (1,0) Diversity of aeolian sediments and/or landforms ● ● ● (3,1)
Key
● Yes
○ Partial Supportor Debated
No
? Indeterminate
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1st EZ Workshop for Human Missions to Mars
Resource ROI(s) Rubric Site Factors
RR
OI1
LZ/
HZ
EZ S
UM
ISR
U a
nd
Civ
il En
gin
eeri
ng
Cri
teri
a
Engineering Meets First Order Criteria (Latitude, Elevation, Thermal Inertia) ● ● (2,0)
Wat
er R
esou
rce
Threshold
AN
D/
OR
Potential for ice or ice/regolith mix (0,0)Potential for hydrated minerals ● (1,0)
Quantity for substantial production ? (0,0)Potential to be minable by highly automated systems ? (0,0)
Located less than 3 km from processing equipment site ○ (0,1)Located no more than 3 meters below the surface ● (0,1)
Accessible by automated systems ○ (0,1)
Qualifying
Potential for multiple sources of ice, ice/regolith mix and hydrated minerals (0,0)Distance to resource location can be >5 km ● (1,0)
Route to resource location must be (plausibly) traversable ● (1,0)
Civ
il En
gine
erin
g
Threshold
~50 sq km region of flat and stable terrain with sparse rock distribution ○ (0,1)1–10 km length scale: <10° ○ (0,1)
Located within 5 km of landing site location ○ (0,1)
Qualifying Located in the northern hemisphere (0,0)
Evidence of abundant cobble sized or smaller rocks and bulk, loose regolith ● (1,0)Utilitarian terrain features ? (0,0)
Food
Pr
oduc
tion
Qualifying
Low latitude ● (1,0)No local terrain feature(s) that could shadow light collection facilities (0,0)
Access to water (0,0)Access to dark, minimally altered basaltic sands ○ (0,1)
Met
al/S
ilico
n Re
sour
ce
Threshold
Potential for metal/silicon ● (1,0)Potential to be minable by highly automated systems ○ (0,1)
Located less than 3 km from processing equipment site (0,0)Located no more than 3 meters below the surface ● (1,0)
Accessible by automated systems ○ (0,1)
Qualifying
Potential for multiple sources of metals/silicon ● (1,0)Distance to resource location can be >5 km ● (1,0)
Route to resource location must be (plausibly) traversable ● (1,0)
Key
● Yes
○ Partial Supportor Debated
No
? Indeterminate
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1st EZ Workshop for Human Missions to Mars
Columbus Crater
LZ & Field Station
500 m
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1st EZ Workshop for Human Missions to Mars
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Columbus Crater
Science ROI 1
Northeastern Shore 194.2591° E, -‐28.883° N Most exposed light toned units & highest diversity of aqueous mineral deposits
Wray et al., 2011 8
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1st EZ Workshop for Human Missions to Mars
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Columbus Crater
Science ROI 2
D11 Crater 194.2591° E, 29.581° S Stratigraphic context Possible RSL
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1st EZ Workshop for Human Missions to Mars
Columbus Crater
Science ROI 3
Wray et al., 2011
Bathtub Ring
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1st EZ Workshop for Human Missions to Mars
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Columbus Crater
Science ROI 4
Pedestal Crater 193.603° E, 29.345° S
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1st EZ Workshop for Human Missions to Mars
Columbus Crater
Science ROI 5
Dual Craters • 193.599° E, 29.973° S
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1st EZ Workshop for Human Missions to Mars
Columbus Crater
Central Peak 193.865° E, 29.101° S •
Resource ROI 1
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1st EZ Workshop for Human Missions to Mars
Columbus Crater
Data Coverage
CRISM Coverage HiRISE Coverage 14
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Columbus Crater
Highest Priority EZ Data Needs 1st EZ Workshop for Human Missions to Mars
Science CoverageHRSC coverage of crater rim & basin floorCRISM coverage of the Northwest crater RimGeneral HiRISE coverage of the crater rim and basin floor
Resource CoverageGeneral HiRISE coverage of basin floor
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