Daniel D.Gregory
Pyrite Trace Element Paleo-Ocean Chemistry Proxy
Pyrite Trace Element Paleo-Ocean Chemistry Proxy
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Excellent- More about Pyrite Trace Element Paleo-Ocean Chemistry Proxy
The trace element content of sedimentary pyrite can be used as a proxy for the trace element composition of past oceans, offering several advantages over bulk sample analysis. It can preserve through metamorphism, measure multiple elements simultaneously, screen for hydrothermal overprint, and provide information on trace element availability at multiple stages of diagenesis.
Format: Paperback / softback
Length: 75 pages
Publication date: 24 December 2020
Publisher: Cambridge University Press
The utilization of the trace element composition of sedimentary pyrite as a proxy for the trace element composition of ancient oceans has recently gained prominence. The pyrite proxy offers a range of potential advantages over traditional bulk sample analysis. Firstly, it provides preservation through metamorphism, ensuring that the trace element signatures of the original ocean are retained. Additionally, the pyrite proxy minimizes dilution during analysis, as samples are ablated rather than dissolved, allowing for the investigation of less abundant elements commonly found in the sulfide fraction. This enables the accurate measurement of multiple elements simultaneously. Moreover, the pyrite proxy possesses the ability to screen sediments for hydrothermal overprint, a significant factor in understanding ancient ocean environments. Furthermore, the technique offers insights into trace element availability at various stages of diagenesis, providing valuable information about the evolution of ocean chemistry.
Due to these remarkable strengths, the pyrite trace element proxy holds immense potential as a valuable tool in paleo-ocean chemistry. Its application can enhance our understanding of past ocean conditions, trace element cycles, and the impact of hydrothermal processes on marine ecosystems. As researchers continue to explore and refine this technique, it is likely to become an indispensable resource in unraveling the mysteries of Earth's ancient oceans.
Weight: 82g
Dimension: 224 x 229 x 7 (mm)
ISBN-13: 9781108810524
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