Session: The Origin of Compositional and Thermal Heterogeneity within Earth’s Interior (North-Central Section - 57th Annual Meeting

Session No. 5

Thursday, 4 May 2023: 8:00 AM-12:00 PM

EC 512 (L.V. Eberhard Center)

T31. The Origin of Compositional and Thermal Heterogeneity within Earth’s Interior

Allison Pease, Jiaxin Zhang, Meichen Liu and Yurong Zhang, Advocates

Paper #

Start Time

8:00 AM

Introductory Remarks

5-1

8:05 AM

RECEIVER FUNCTION ANALYSIS OF THE MICHIGAN BASIN

TAN, Madeleine and RITSEMA, Jeroen, Earth and Environmental Sciences, University of Michigan, Ann Arbor, MI 48109

5-2

8:25 AM

GEOPHYSICAL MODELING OF CRUSTAL STRUCTURES AND THEIR IMPACT ON THE FORMATION OF THE MIDDLE AND LOWER TENNESSEE RIVER VALLEY

LANE, Joseph¹, MICKUS, Kevin² and MCKAY, Matthew¹, (1)Geology Department, Missouri State University, 901 S National Ave, Springfield, MO 65897-0027, (2)Geology, Missouri State University, Springfield, MO 65897

5-3

8:45 AM

ESTABLISHING PRIMORDIAL CHEMICAL STRATIFICATION IN PLANETARY MANTLES DUE TO ACCRETION

JACOBSON, Seth, Department of Earth and Environmental Sciences, Michigan State University, 288 FARM LN, EAST LANSING, MI 48824

5-4

9:05 AM

INTERPRETATION OF THERMAL HETEROGENEITY FROM SEISMIC WAVESPEED IN THE CONTINENTAL LITHOSPHERE: TOOLS AND LIMITATIONS

GOLOS, Eva, Department of Geoscience, University of Wisconsin - Madison, 1215 W Dayton St, Madison, WI 53706 and FISCHER, Karen, Brown University Earth, Env. & Planetary Sciences, 324 Brook St, Providence, RI 02912-9019

9:25 AM

Break

5-5

9:40 AM

INFLUENCE OF COMPOSITION-DEPENDENT VISCOSITY ON THE LATERAL SPATIAL AND MORPHOLOGIC STABILITY OF PRIMORDIAL THERMOCHEMICAL PILES IN THE EARTH’S LOWER MANTLE

ZHANG, Jiaxin and MCNAMARA, Allen K., Earth and Environmental Sciences, Michigan State University, RM 207, Natural Science Building, 288 Farm Lane, East lansing, MI 48824

5-6

10:00 AM

THE ROLE OF INITIAL CONDITION IN CONTROLLING THE VERTICAL STABILITY OF DEEP MANTLE COMPOSITIONAL RESERVOIRS

KRAUSS, Heidi, Earth and Environmental Sciences Department, Michigan State University, East Lansing, MI 48832 and MCNAMARA, Allen K., Earth and Environmental Sciences, Michigan State University, RM 207, Natural Science Building, 288 Farm Lane, East lansing, MI 48824

5-7

10:20 AM

ISOTOPIC FRACTIONATION DUE TO MULTI-STAGE PLANETARY CORE FORMATION

NATHAN, Gabriel, Earth and Environmental Sciences, Michigan State University, 623 N Francis Ave, Lansing, MI 48912 and JACOBSON, Seth, Department of Earth and Environmental Sciences, Michigan State University, 288 FARM LN, EAST LANSING, MI 48824

10:40 AM

Concluding Remarks

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North-Central Section - 57th Annual Meeting - 2023

T31. The Origin of Compositional and Thermal Heterogeneity within Earth’s Interior