Archaeological back bone dating fossil index seriation stratigraphy

24-Sep-2020 00:57

Spanish word referring to a system for drafting human labor used by the Spanish to force Native Americans to work for them for part of each year; the system had vast and negative consequences for Native Americans in Georgia and across the New World a critical step in archaeological research, sometimes overlooked; after field work and laboratory analysis, document searches, and a period of thoughtfulness, a good, ethical archaeologist prepares a report on the investigations.Archaeology is by nature a destructive science, so reporting passes on the information to others, because that field work can never be replicated.Many stone tools commonly referred to as arrowheads were too large and heavy to have been attached to an arrow shaft and shot from a bow; the term PPK is a better choice.a radiometric method of dating organic material that is based on the rate that unstable radioactive carbon-14 atoms, which are present in all living things (humans, trees, etc.), decay into carbon-12 and carbon-13 atoms By comparing tree-ring dates with radiocarbon dates, scientists realized that the radiocarbon dates drift, or need to be calibrated, to reflect actual dates.after an artifact or place is abandoned, it can be affected by many types of disturbance processes, e.g., percolating rainwater, erosion, digging creatures, later human occupation including being trampled underfoot, etc.a small but distinct linear pattern in the soil that forms when rainwater is focused to drip in certain places; they are an example of a disturbance process A tree with a dense crown of leaves can have a drip line around its outer extent.the effects, either natural (like flooding) or human-induced (like plowing), on the material remains and features of the archaeological record.

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the written materials, including notes, drawings, sketches, etc., that an archaeologist takes during a field project Field notes are often held (curated) just like artifacts, and are augmented by other records such as photographs and videos.Sometimes mounds are referred to as temple-mounds, in recognition that some had buildings atop them that were used for civic-ceremonial activities, instead of merely being the residence of a leader or chief.

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