What is an Archaeologist?
Being an archaeologist is very rarely the "treasure hunt" type
of existence portrayed in the movies!!
In the United States most archaeologists study American Indian
remains. Since these groups did not leave a written record, the
primary goal of an archaeologist is to reconstruct a picture of
their way of life (culture) by examining what remains can be
obtained.. primarily through excavation.
Typically, this entails:
Choosing an area for study:
- Ideally, the archaeologist has chosen to
investigate a specific area to gather data
for testing an academic hypothesis. For instance,
one such excavation at Cahokia Mounds in the 1960's
was undertaken to prove that the Cahokians had
constructed a large palisade wall.
Furthermore, early aerial photographs of plowed fields
disclosed faint streaks of discoloration that
indicated where to excavate to find indications of
the wall.
- In reality, the majority of excavations are related
to the construction of highways and other federally
funded projects. Environmental assessments are usually
conducted prior to highway and airport construction and
the searching of the area for significant archaeological
remains is a part of that research. As a result, most
sites excavated today are being investigated ONLY because
they are scheduled for destruction.
Some areas of Cahokia Mounds have in fact been excavated
due to road relocations and plans for the construction of highways!!
Setting up a Grid System:
- A grid system is established. This allows the researcher to
identify the exact locations of all finds in three dimensions.
Producing a Topographic Map:
- Very accurate maps of the shape of the terrain (topographic maps)
are made. These are sometimes useful in the planning of
an excavation. The locations of houses, pits and other
features found during the excavation can be superimposed on
the original terrain, yielding an indication of the relationship
between the local inhabitants and their natural surroundings.
Conducting Remote Sensing:
- The area might also be scanned by various types of remote
sensing equipment. This process also produces maps of the area which indicate
such things as the locations of high electrical resistivity, or
disturbances in the earths magnetic field etc.. Such studies might
indicate areas of prehistoric activity. Sometimes such studies
actually show the location of specific buildings and storage
pits!
Conducting a surface collection:
- Often the ground is plowed and all artifacts seen on the surface are
collected and placed in bags labelled with their location within the
grid system. The artifacts are washed and labelled in the lab
and the distribution of various kinds of artifacts can then be
superimposed on both the original terrain and the remote sensing
results.
Conducting Excavations:
- Each area to be excavated is literally drawn on the ground using
string. Each square is carefully oriented along the grid system
established earlier. The location of pits might be very
specifically determined ahead of time (as in the case of the palisade),
oriented to sample a specific area, or distributed randomly
within 'zones'.
Observing soil disturbances to identify pits, wall trenches, mound stages, Burial Pits etc:
- Some of the more important archaeological discoveries are
not physical artifacts. Stains in the soil indicate areas that
were disrupted during the construction of houses, pits,
temples and mounds. These discoveries can only be observed
once, and are then destroyed by the very action of excavating
through them. Thus the archaeologist attempts to map and record
all aspects of such features, and even samples the soils for
future study.
Washing, labelling and analyzing physical remains:
- All of the small pieces of debris recovered from excavations
must be washed, labelled, separated and analyzed.
- The ceramics, faunal, floral and lithic remains are studied
by specialists who can sometimes indicate which time period the
various features belong to.. or suggest what activities were
likely conducted in some areas.
Writing a Report of Investigations:
- In this report, the archaeologist details the results of all the
various techniques used to gather data from the study area.
Hopefully, data is recovered which helps verify or refute the
hypothesis begin tested!!
- More often than not, most of the information gathered does
not bear directly on the reason for excavating. It is the job
of the archaeologist to record all of these (unexpected) findings
as accurately and comprehensively as possible. This data will be
studied by future researchers in their attempts to answer questions that we
cannot currently imagine.
Archaeology, by it's very nature, is
a destructive process, and carries with it the
responsibility to make accurate and comprehensive
observations for the benefit of future researchers.
If all this sounds more like hard planning and work rather than the "treasure
hunting" often portrayed in the movies, you're right! And this was just a short,
somewhat mechanical listing of 'tasks'... Archaeologists must teach, theorize,
organize, orchestrate, and sweat hard in the blazing summer sun!
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