Archaeological Excavation to Explore Heritage: A Few Steps And Process of the Excavation
Archaeological excavation is an important method to explore ancient heritage. We all know that the excavation means the digging of the earth. The earth is excavated to explore the ancient movable and immovable objects of hundreds or thousands of years ago. This task of excavating the earth is accomplished in some steps and the process by following certain methods of archaeology.
However archaeological excavation is started only if archaeological survey or exploration ensures the potential of having historic objects in a place, especially in the high or low mound of the earth. In this article, the procedure followed to complete an archaeological excavation, some steps, and the process of the work are presented. For the benefit of the description, the beginning to the end of the archaeological excavation is divided into three steps:
1. Preparatory Works before Excavation
2. Works during Excavation and
3. Works after Excavation.
1. Preparatory Works before Excavation: The works that needed to be done before starting the archaeological excavation are:
1.1. Government Approval: A state institution, the Department of Archaeology, serves as the recognized institution of archaeological excavation. Besides, other organizations or individuals have to get official approval from the government for the execution of archaeological excavation.
1.2. Land Owners Approval or Land Acquisition: If the land assigned for excavation is owned by a person, then it is necessary to conduct the excavation work in that land by obtaining permission from the land owner or accepting ownership by paying money.
1.3. Collection of Necessary Equipment: For archaeological excavation work, small-large spade, shovel, trowel, basket, paper, graphs, pen, level machine, scale, computer, measuring tape, yarn, rod, bag, grip seal bag, plastic paper, Plumb-bob, field table, GPS machine, camera, soil color charts, compass, etc. are required to be collected.
1.4. Manpower Recruitment: The Department of Archaeology or any other approved organization employs a few skilled members to conduct archaeological excavation. Besides, more necessary manpower is also recruited from the excavation area temporarily.
1.5. Required Funding: The archaeological excavation team needs to provide the necessary funds to complete the excavation work. With this money, the required expenditure is executed during the excavation.
1.6. Time Schedule: Appropriate time is required to complete archaeological excavation. But winter is the most suitable time for the excavation. In the context of Bangladesh, the best time to conduct the excavation work is from November to March. Also, a duration budget for the excavation work is determined before the excavation.
1.7. Necessary Planning and Layout on the Excavation Land: Land preparation for excavation, excavation trench layout arrangement according to archaeological excavation method, etc. are properly done according to the plan.
1.8. Site Selection for Accommodation and Objects Management: Accommodation for the members employing archaeological excavation is arranged. However, the accommodation is selected near the excavation site. Besides, a place is selected to keep all the objects found from the excavation trench safe after the necessary cleaning and making an inventory list.
2. Works during Excavation: The works that needed to be done during archaeological excavation are:
2.1. Excavating the Earth: The archaeological excavation team runs the excavation work at a particular time every day. Some workers work under one or more field directors. During the excavation of the earth, it is very careful to use the equipment in the excavation trench. So that no finding objects are destroyed and there is no missing information about the stratification of the excavated earth.
2.2. Data Entry in the Diary and Specific Form: During the excavation, the field director keeps records of important information about the earth and the earth strata found in the excavation trench in the diary and specific form. To prepare the stratigraphy of the excavated trench & find objects, necessary analysis, and presentation of the excavation report, the field director starts an excavation using a recognized method. Based on this recognized method, the field director keeps writing about excavation samples, finding objects and strata in his diary and the form. It is especially noted that the archaeological excavation methods recognized by Archaeologists Sir Robert Eric Mortimer Wheeler and Dr. Edward C. Harris are adopted at present.
2.3. Photo Capture: From the beginning to the end of the excavation work, the subjects related to the land, excavated trench, finding objects, earth strata, excavation work, etc. are captured in the Camera. One or more photographers work for full-time photography. Apart from this, the excavation work-related films are also included.
2.4. Necessary Drawing: The design of the excavation trench layout, finding immovable objects in the trench, such as walls, floors, etc., and strata of the trench sections are drawn. Apart from this, designs of small and large movable objects such as pottery, ceramic pots, metal objects, etc. are also drawn. One or more designers complete the necessary drawing work during the archaeological excavation.
2.5. Sample Collection: During the excavation, samples from various strata of the excavation trench, such as charcoal, earth, etc. are collected. The field director keeps the samples in foil paper and arranges the preservation of them with the required numbers and information labeled in Grip seal bags.
2.6. Finding Objects Collection: Objects such as pottery, ceramic pots, metal objects, etc. are collected from various strata of the excavation trenches. Collecting these objects, the tag with different numbers, stratum numbers, names, and dates for each object is given in the trench. The collected objects are carefully transported to the objects keeping yard from the trench.
2.7. Cleaning the Objects: Finding objects are carefully washed with water in the object-keeping yard. Then the objects by air drying under the shadow are prepared for documentation.
2.8. Objects Inventory: At this stage, the objects are recorded in a specific register book. At the time, the accession number, name, brief descriptions, and photographs of each object are kept. Apart from this, the label of the accession number is written down on the object. A Marksman usually cooperates to write labels on the objects.
2.9. Measurement: Measurement of the excavation field, excavation trench, the objects, altitude from the mean sea level of the finding objects and excavation field, etc. are taken as appropriate during excavation.
3. Works after excavation: The following works are done after archaeological excavation:
3.1. Checking Written Information, Photographs, and Designs: To make sure the data and information recorded in the diary and the form, photographs captured in the camera, and the design of the excavation field, trench, section, strata, etc. as appropriate during excavation, these are checked by being kept side by side. At this time, by being present, the liable members who done the work complete the check of the related work themselves.
3.2. Checking Finding Objects and Inventory: To make sure finding objects and inventory as appropriate, finding objects and inventory are checked by keeping them side by side.
3.3. Necessary Conservation of the Relics Found in the Trench: With the available financial budget, the necessary conservation of the relics found in the excavation trench is completed. This conservation work is done after following the archaeological method.
3.4. Filling of the Trench if not Conserved: Excavation trenches are filled with earth if there is no necessary budget for conservation. So that people or other animals can not destroy the relics found. Before completing the filling, the necessary design and photography work required for the trench are completed.
3.5. Handover the Objects to Specific Authorities: The objects in the excavation controlled by the Department of Archaeology are stored in the designated store of the Directorate. At the end of the archaeological excavation, the excavation team handed over the objects with the inventory to the designated custodian or director. After the excavation of any other approved institution, their finding objects have to be handed over to the Department of Archaeology, a government department.
3.6. Reporting: After the analysis of archaeological excavation documents, a report with the necessary design and photograph is prepared. A printed copy of this report and a soft copy are presented to the Department of Archaeology. [Md. Shahin Alam]
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