6. Ritual Monument Batpalathang B3

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Appraisal Methods and Excavated Surface

The methodological approach we chose was function of strategic and logistic settings. It consisted in the following choices of procedures and appraisal techniques (Tab. 2):

Feature

Technique

Elaboration

Platform surface

“Stone by stone” / 1:10 scale drawing

Slide photographs / Altitude measurements[[1] / Sloping angles

Mapping

Platform side-walls

“Stone by stone” / 1:10 scale drawing / Slide photographs

Mapping

Chamber roof

“Stone by stone” / 1:10 scale drawing of surface / Slide photographs / Digital photographs of underlying stone layers / Altitude measurements

Mapping / Architectural characterization

Chamber fill

Slide photographs / Digital photographs / Altitude measurements / Sedimentary descriptions

Mapping

Deposit characterization

Chamber walls

“Stone by stone” / 1:10 scale drawing / Slide photographs / Surface measurements

Mapping

Chamber floor

Slide photographs / Digital photographs / Altitude measurements

Mapping

Artifacts

Individual 3D position recording / (Slide photographs)

Distribution patterns

Peripheral walls

Slide photographs / Digital photographs / Altitude measurements

Sketch mapping

Stratigraphic profiles

1:10 and 1:20 scale drawings / Slide photographs

3D restitution and reconstructions / Deposit characterizations / Structural integration / Sampling context

Monument and surrounding

Slide photographs / Digital photographs / Cross-cut altitude measurements

Monument general shape and contextual setting

Tab. 2 - Methodological procedures applied to document monument B3.

The following figure gives an overview of the excavated surface in relation to the main structural remains (Fig. 11). An illustration of the surface we excavated in 1999 can be found in our preliminary report (Blumer and Vial 1999: 241). Due to the limited time, we decided not to set up a complex system of quadrangular sections, but to develop the excavation surface by adding irregular sections, which enabled us to follow specific archaeological questions progressively. Another difficulty in arranging the sections was due to the temperament of our fieldworkers, who were not always eager to follow straight lines! Since they were all novices in this kind of work, we preferred to give them a certain amount of freedom instead of directing them too strongly. At least end, no archaeological data was lost and the goals were reached, and this shows the viability of our strategic choices in organizing the excavation. Fig. 11 gives also the precise location of the stratigraphic cuts we made and documented. Two cuts (Cut 3 and Cut 4) are located at some distance from the main excavation area and are thus not placed on this map.

Fig. 11

In each newly opened section, the following methodological procedure was applied: (1) removal of debris and sediment accumulated during recent terracing work (shovels), (2) excavation of soil layers covering structural remains or anthropic deposits (trowels), (3) excavation of anthropic deposits around structural remains (trowels), (4) surface documentation of structural remains (scale drawings and/or digital and positive color photographs, altitude measurements).

In the some sections, the surface obtained showed clear accumulations of collapsed structural elements. In such case, and at specifically chosen locations, we removed the collapsed elements after proper surface documentation, in order to access and document the base of the anthropic structures. The removed stones were piled at specific spots: near square N98 for the western outer wall and near square U3 for the cut through the eastern outer wall.

The excavation of the platform chamber filling necessitated the numbering of the surface stones belonging to the collapsed chamber roof. An individual number reported on the 1:10 scale surface drawings marked all concerned stones. At campaigns end, the numbered stones were stored under a plastic sheet in the area of square A5.

The archaeological material was collected with individual three-dimensional coordinates, so we can replace each artifact in its initial sedimentary and structural context.

Reto Blumer, Luc Braillard, and Colette Gremaud did all drawings of structural remains of monument B3. Blumer and Braillard shot all photographs.
 

Footnotes:

[1] We used two Leica Kernlevel 24 for altitude measurements. One belongs to the Swiss National Foundation for Scientific Research and was lent by Dr. Yvon Csonka, University of Neuchâtel. Fine horizontal measurements were achieved using a Leica Disto Classic laser device that revealed very useful in many short to middle range situations.

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Copyright 2001, Reto Blumer, Switzerland
Copyright 2001, SLFA Zürich, Switzerland

For problems or questions regarding this web contact rblumer@vtx.ch.

Last updated: 29-05-2001.