[Enviro-lunch] This Thursday: Dr. Justin Van De Velde

[Nate Bogie]

[image: Inline image 1]

Dear all,

Please support our community in Earth and environmental sciences by
attending our weekly events. This week's speaker for our Enviro-lunch brown
bag seminar series will be:


*Justin Van De Velde, Ph.D.*

UC Merced Stable Isotope Facility



*Mountains, Lakes, and Limestones: Understanding the influence of climate
and topography in Earth’s ancient past*


*[image: Inline image 2]*

*Abstract*

Interpreting paleoenvironmental proxy records in geologic deep-time
requires accounting not only for major climate changes but also
modification of topography through tectonic processes. Stable isotope
records from authigenic lake carbonates serve as powerful integrators of
regional environmental conditions. In central Utah, Paleo-lake Flagstaff
occupied the foreland basin fronting the now-destroyed Sevier Highlands
during the early Eocene (~50 Myr ago), while middle Miocene (13-5 Myr ago)
lakes in the Ouarzazate Basin of Morocco received inputs from the High
Atlas. I show stable isotope records from these two areas that constrain
their topographic histories.



When: Sept. 14th, Thursday, 12pm – 1pm

Where: SE2-302



Coffee will be provided and please bring your own mugs.

We look forward to seeing you,



Organizers for 2017-18: Nate Bogie and Lixia Jin

Faculty coordinator: Asmeret Asefaw Berhe


Thanks,

Nate & Lixia
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