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Home/Anthropology/Mains PYQ/2018/Paper I/Prehistoric Archaeology
UPSC MainsAnthropology Optional Paper I 2018 15 Marks Model Answer Available

Field Methods in Archaeological Anthropology — 2018 Paper I

Question · 2018 · Paper I · 15 Marks

Give an account of the field methods used in the study of Archaeological Anthropology.

Model Answer

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Approach

  • Demand of Question: Describe the major field methods through which archaeological sites, artefacts and their contexts are located, excavated and recorded.
  • Structuring the Response: Follow the archaeological sequence from reconnaissance and survey to excavation, recovery, recording and environmental sampling.
  • Key Dimensions to Cover: Exploration, survey, surface collection, grid system, stratigraphy, horizontal/vertical excavation, Wheeler method, screening, flotation, mapping and contextual recording.

Model Answer

Introduction: Archaeological anthropology reconstructs past human behaviour primarily from material remains and their archaeological context. Reliable interpretation therefore depends upon systematic field methods that preserve the spatial and stratigraphic relationships among artefacts, structures and environmental remains.

  1. Archaeological exploration

Exploration is the preliminary search for archaeological sites within a region.

Researchers examine:

  • river terraces;
  • caves and rock shelters;
  • exposed geological sections;
  • ancient mounds;
  • agricultural fields;
  • erosion surfaces.

Local knowledge and historical records may also assist site identification.

Thus:

Regional reconnaissance → Site identification → Detailed investigation

  1. Archaeological survey

Survey systematically documents the distribution of archaeological remains across a landscape.

Methods include:

  • pedestrian survey;
  • transect survey;
  • systematic sampling;
  • topographic mapping.

Modern surveys also use:

  • GPS;
  • GIS;
  • satellite imagery;
  • aerial photographs.

Survey helps reconstruct:

  • settlement pattern;
  • site hierarchy;
  • resource use;
  • human-landscape relationships.
  1. Surface collection

Artefacts visible on the surface are systematically collected and recorded.

Researchers document:

  • artefact type;
  • density;
  • spatial distribution;
  • raw material.

Surface concentrations can indicate:

  • habitation areas;
  • workshops;
  • activity zones.

Random collection is avoided because provenience is essential to interpretation.

  1. Site mapping

Before excavation, the archaeological site is mapped.

Important features include:

  • site boundaries;
  • structures;
  • contours;
  • water sources;
  • surface artefact concentrations.

A datum point provides a fixed reference for horizontal and vertical measurements.

  1. Trial trenches and test pits

Small trenches or test pits are excavated initially to determine:

  • depth of cultural deposit;
  • stratigraphic sequence;
  • preservation;
  • potential of the site.

This helps formulate a larger excavation strategy.

  1. Excavation

Excavation is the systematic removal of archaeological deposits while recording their context.

Two broad strategies are:

Vertical excavation:
Emphasizes chronological sequence through deeper, restricted trenches.

Useful for:

Stratigraphy → Cultural succession → Chronology

Horizontal excavation:
Exposes a wider area of a particular occupational level.

Useful for reconstructing:

  • houses;
  • activity areas;
  • settlement organization.
  1. Grid or Wheeler method

The site may be divided into a grid of squares, allowing precise spatial control.

The Wheeler box-grid method retains unexcavated baulks between squares to expose stratigraphic sections.

Simple representation:

□ | □ | □
— + — + —
□ | □ | □

Baulks help preserve profiles showing successive archaeological layers.

  1. Stratigraphic method

Excavation follows the principle of superposition:

Upper undisturbed layer = Younger
Lower undisturbed layer = Older

Each:

  • layer;
  • pit;
  • hearth;
  • floor;
  • burial

must be treated as a separate archaeological context.

Stratigraphy is fundamental for reconstructing cultural sequence.

  1. Recovery techniques

Excavated soil may be processed through:

Sieving/screening: Recovers small artefacts, bones and other remains.

Flotation: Particularly useful for recovering:

  • seeds;
  • charcoal;
  • small botanical remains.

Fine recovery improves reconstruction of diet and subsistence.

  1. Environmental sampling

Archaeological anthropology increasingly collects:

  • pollen;
  • phytoliths;
  • charcoal;
  • animal bones;
  • soil;
  • sediments;
  • botanical remains.

These reconstruct:

  • palaeoenvironment;
  • diet;
  • agriculture;
  • hunting;
  • climate.
  1. Recording and documentation

Every find must be documented through:

  • field notes;
  • context sheets;
  • drawings;
  • photographs;
  • plans;
  • section profiles;
  • coordinates.

Thus:

Artefact without context = Limited information
Artefact + Provenience + Stratigraphy = Archaeological evidence

  1. Collection of dating samples

Suitable samples are carefully recovered for methods such as:

  • radiocarbon dating;
  • thermoluminescence;
  • archaeomagnetism;
  • dendrochronology where applicable.

Contamination must be minimized during collection.

Conclusion

Archaeological fieldwork proceeds systematically from exploration and survey to excavation, stratigraphic recording, recovery and environmental sampling. Its fundamental principle is preservation of context and provenience, because archaeological anthropology reconstructs past behaviour not from artefacts alone but from their relationships in space and time.

2026 Write a detailed note on the characteristic features, chronology, geographical distribution, tool types and lifeways of Magdalenian cultural tradition of Europe. 2026 What are the evidences available regarding crops and domesticated animals of Indus Valley Civilization? What are the views of the scholars regarding Indus script? 2026 Discuss with examples, how general comparative analogy has been used in ethnoarchaeological studies in India. 2026 Make a critical appraisal of the mesolithic culture of Ganga basin with reference to artifacts, faunal and human skeletal remains excavated from different sites.

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