Lecture

Foraminifera and Diagenesis

Description

This lecture explores the use of foraminifera as paleoclimate proxies, focusing on their biomineralization process, advantages in paleoclimatology, and isotopic fractionation. It also delves into the concept of diagenesis, discussing the physical and chemical changes minerals undergo during sedimentation. The presentation covers the identification of diagenetic processes, such as recrystallization, dissolution, and diffusion, and their impact on geochemical and isotopic fidelity. Additionally, it examines the challenges and solutions related to the cool-tropics paradox, addressing discrepancies in sea surface temperatures during different geological epochs.

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