Archaeology of the Age of Exploration

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Decomposition

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Archaeology of the Age of Exploration

Definition

Decomposition refers to the natural process of breaking down organic matter, such as plant and animal remains, into simpler forms. This process is crucial in archaeological contexts as it affects the preservation and recovery of artifacts and ecofacts, influencing how sites are excavated and interpreted over time.

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5 Must Know Facts For Your Next Test

  1. Decomposition is influenced by several factors including temperature, moisture, and microbial activity, which can all accelerate or slow down the breakdown process.
  2. In archaeological sites, the rate of decomposition can determine how well organic materials are preserved or whether they are completely lost over time.
  3. Different types of soils can affect decomposition; for instance, acidic soils may enhance the decay of certain materials faster than neutral or alkaline soils.
  4. Artifacts made from organic materials like wood or textiles are particularly vulnerable to decomposition, requiring careful excavation methods to recover them.
  5. Understanding decomposition processes helps archaeologists in interpreting site formation processes and assessing the preservation conditions of artifacts.

Review Questions

  • How does the process of decomposition impact the preservation of organic artifacts at an archaeological site?
    • Decomposition plays a significant role in determining the preservation state of organic artifacts. Factors like moisture levels and temperature can either enhance or hinder decomposition, leading to either better preservation or complete loss. Archaeologists must consider these aspects when excavating to ensure that they employ appropriate techniques that account for potential degradation of materials over time.
  • Discuss the relationship between bioturbation and decomposition in an archaeological context.
    • Bioturbation refers to the activities of living organisms that disturb sediment layers, influencing both decomposition and site integrity. This disturbance can affect how quickly organic matter decomposes by exposing it to microorganisms and environmental factors. Moreover, bioturbation may alter stratigraphic layers, complicating interpretations of the chronological context during excavations.
  • Evaluate the implications of varying rates of decomposition on archaeological interpretation and excavation strategies.
    • The varying rates of decomposition have critical implications for archaeological interpretation and excavation strategies. Rapid decomposition may lead to significant loss of organic materials, potentially skewing our understanding of past human behaviors and environmental conditions. As a result, archaeologists must adapt their excavation strategies based on local environmental conditions, employing methods that maximize recovery while considering how different factors may have influenced the decomposition process throughout history.

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