Deltaic deposits in Magong Crater, Xanthe Terra Kjartan ......3 Context Local Geology Summary Hauber...

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Deltaic deposits in MagongCrater, Xanthe Terra

Ernst HauberThomas PlatzLaetitia Le DeitStephan van GasseltKjartan Kinch*Morten Bo MadsenHeike Rosenberg

HiRISE DEMs in this presentation: courtesy of Joel Davis (UCL)

NOTE ADDED BY JPL WEBMASTER: This content has not been approved or adopted by, NASA, JPL, or the California Institute of Technology. This document is being made available for information purposes only, and any views and opinions expressed herein do not necessarily state or reflect those of NASA, JPL, or the California Institute of Technology.

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 2/30

4980 m -5490

MOLA DTM/hillshade

ChrysePlanitia

Xanthe

Terra

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 3/30

-640 m -3720MOLA DTM over THEMIS IRday

Sabrina Vallis

Magong

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 4/30

Late Noachian Epoch3.71-3.83 Ga

Middle Noachian Epoch3.83-3.94 Ga

Age of Sabrina Vallis

Buffered crater counting (Kneissl et al., 2015)

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 5/30

HRSC orbith0894_0000

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 6/30

HRSC orbith0894_0000

20 km × 25 km landing ellipse

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 7/30

HRSC orbith0894_0000

Regions of Interest

(1) Ridge/floor material

(2) Dark deposit

(3) Delta1

2

3

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 8/30

Ridge

Dark deposit

Delta

Highland material

Crater floor material

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 9/30

HRSC orbith0894_0000 Hauber et al. (2013)

Age of Delta

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 10/30

THEMIS IRnight

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 11/30 11

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 12/30 12

R

D

P

DP

13 13

NW SE

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 14/30

Rat

ioed

refl

ecta

nce

Weak signature of Fe/Mg-phyllosilicates

CRISM FRT 24155

Wavelength (µm)

CRISM average spectrum

Possible Fe/Mg-phyllosilicates includenontronite, vermiculite, and saponite

2.5 kmN

Data provided by John Carter

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 15/30 15

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 16/30

HRSC orbith0894_0000

Age of Crater floor

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 17/30

HRSC orbith0894_0000

Age of Dark deposit-young

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 18/30

ESP_029990_1920ESP_027656_1920

Dark deposit

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 19/30 19

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 20/30 20

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 21/30

THEMIS IRday Brož and Hauber (2013)

CTX P05_003130_1937, P17_007534_1916

Lederberg

Magong

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 23/30 23

SW NE

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 24/30

ESP_027656_1920ESP_027168_1920

Ridge

25 25

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 26/30

Crater floor material

ESP_029990_1920 ESP_027656_1920

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Possible Traverse

CTX

From landing position

Dark deposit

Ridge

Delta

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Possible Traverse

CTX

Possible Traverse(contd.)

CTX

Dark deposit

Delta

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 29/30

Delta deposits immediately outside ellipse

Clay detection substantially further away

Up to 3 separate igneous units.

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 30/30

Summary : Magong Crater (Sabrina Vallis delta)

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LN / EH Delta formation from ~200 km fluvial valley. Active erosion.

Old, heavily eroded and infilled Noachian crater

3 separate deposits of potentially igneous origin (Floor, Ridge, Dark deposit)

Good landing safety an traversibility

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 31/30

Supplementary slides

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 32/30

HRSC orbith0894_0000

Coordinates oflanding ellipse

11.990°N, 313.425°E20 km × 25 km

Full HRSC and CTX coverage

CRISM

HiRISE

MOC-NA

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Context Local Geology Summary

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HRSC orbith0894_0000

-1951 m -2808

-2536 m

-2681 m± 48 m

-2797 m

ElevationHRSC DTM 75 m/px

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 34/30

HRSC orbith0894_0000

<1°

1-2°

2-4°

4-8°

8-16°

>16°

18.1°

2.4°± 1.8°

0°

SlopeHRSC DTM 75 m/px

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Context Local Geology Summary

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CTX DTMD01_027656_1920D07_029845_1921D07_029990_1921G23_027168_1920

<1°

1-2°

2-4°

4-8°

8-16°

>16°

74.8°

2.0°± 2.2°

0°

SlopeCTX DTM 15 m/px

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 36/30

0.490.510.600.92

1.15

1.61

1.90

y = 4.486x-0.319

R² = 0.8195

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

0 100 200 300 400 500 600 700 800 900 1000Baseline length

MO

LA

10

00

m

MO

LA

75

0 m

MO

LA

46

3 m

CTX

15

0 m

HR

SC 7

5 m

CTX

50

mC

TX 1

5 m

Slo

pe °

(med

ian

)

7.54° 2 m

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 37/30

0.490.510.600.92

1.15

1.61

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

0 100 200 300 400 500 600 700 800 900 1000Baseline length

MO

LA

10

00

m

MO

LA

75

0 m

MO

LA

46

3 m

CTX

15

0 m

CTX

50

mC

TX 1

5 m

Slo

pe °

(med

ian

)

y = 3.5133x-0.288

R² = 0.9992.88° 2 m

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 38/30

0

10

20

30

40

50

60

70

80

90

100

0.01 0.10 1.00 10.00

MOLA 463 m

MOLA 750 m

MOLA 1000 m

CTX 15 m

CTX 100 m

CTX 50 m

HRSC 75 m

Fre

qu

en

cy %

1 100.1Slope °

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 39/30

<25 m

25-50 m

50-75 m

75-100 m

>100 m

208 m

39.3 m± 22.8 m

3 m

Relief (500 m radius)

HRSC DTM 75 m/px

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 40/30

<25 m

25-50 m

50-75 m

75-100 m

>100 m

319 m

22.8 m± 22.9 m

4.8 m

Relief (500 m radius)

CTX DTM 15 m/px

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 41/30

Putzig et al. (2007)

159 J m-2 K-1 s-0.5 347

Thermal inertiaTES nighttime 2.96 km/px

J m-2 K-1 s-0.5

338

294± 19

259

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Context Local Geology Summary

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Ruff and Christensen (2002)

0.85-0.90

0.90-0.92

0.92-0.94

0.94-0.96

0.96-0.98

0.98 - 1

0.9646

0.9511± 0.0066

0.9272

Dust Cover IndexTES 2.96 km/px

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Context Local Geology Summary

2020 Landing Site for Mars Rover Mission; August 2015Hauber et al. – Deltaic deposits in Magong Crater, Xanthe Terra 43/30

0.067 0.156

HRSC orbith0894_0000

0.1377

0.1035± 0.0033

0.0646

TOA albedoHRSC h0894_0000

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Context Local Geology Summary

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Putzig et al. (2007)

J m-2 K-1 s-0.5

197 J m-2 K-1 s-0.5 605

436

349± 43

259

Thermal inertiaTES daytime 2.96 km/px