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Updated: Oct 23, 2025

Sediment Core Extrusion Method at Millimeter Resolution Using a Calibrated, Threaded-rod
Published on: August 17, 2016
This study explores sediment as a geo-physical and geo-political material, revealing its role in Earth
Area of Science:
- Earth Sciences
- Geology
- Environmental Science
Background:
- Sediment is a terra-aqueous substance formed by the interaction of Earth's continental surfaces and the atmosphere.
- It plays a crucial role in Earth's recycling processes and holds significant climatological and geological histories.
- Understanding sediment dynamics is key to engaging with Earth systems and the emergence of socio-political agency.
Purpose of the Study:
- To explore the geo-physical and geo-political materialities of sediment.
- To investigate how social and political agency emerges alongside Earth forces.
- To examine the material processes, socio-political enmeshments, and theoretical implications of sediment dynamics.
Main Methods:
- A material approach, acknowledging metaphysical frameworks.
- Fieldwork conducted in Bangladesh.
- Traversing scientific, historical, and theoretical literature on the sedimentary cycle.
Main Results:
- Detailed examination of sediment's journey from chemical weathering in the Himalayas to deposition and diagenesis.
- Analysis of material processes, socio-political entanglements, and theoretical implications at each stage.
- Sediment highlights the interconnectedness of geo-physical and geo-political processes.
Conclusions:
- Sediment underscores the profound indifference of Earth systems to human affairs.
- It prompts a re-imagination of politics in light of Earth's dynamic processes.
- The study emphasizes the need for closer engagement with Earth system dynamics.
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