As I mentioned briefly in a post yesterday, I've become interested in looking into the evidence for an abandonment of large portions of the Southeast at the end of the Early Archaic period.
This (2012) paper by Michael Faught and James Waggoner provides an example of how this could be done on a state-by-state basis. Faught and Waggoner use multiple lines of evidence to evaluate the idea of a population discontinuity between the Early Archaic and Middle Archaic periods in Florida. One of the things they discuss is the presence of a radiocarbon data gap between about 9000 and 8000 radiocarbon years before present (RCYBP). They are able to identify that gap (which is consistent with a significant drop in or lack of population at the end of the Early Archaic using a dataset of 221 pre-5000 RCYBP radiocarbon dates from Florida.
This (2012) paper by Michael Faught and James Waggoner provides an example of how this could be done on a state-by-state basis. Faught and Waggoner use multiple lines of evidence to evaluate the idea of a population discontinuity between the Early Archaic and Middle Archaic periods in Florida. One of the things they discuss is the presence of a radiocarbon data gap between about 9000 and 8000 radiocarbon years before present (RCYBP). They are able to identify that gap (which is consistent with a significant drop in or lack of population at the end of the Early Archaic using a dataset of 221 pre-5000 RCYBP radiocarbon dates from Florida.
Geographical distribution of LeCroy cluster points (roughly following Justice 1987). Assembly of radiocarbon datasets for states across the Eastern Woodlands would be really useful for seeing if there is a similar "gap" in other areas of the Southeast that correlates with technological and statigraphic discontinuities. It seems to me that small bifurcate points (e.g., LeCroy cluster) and/or larger lobed points (e.g., Rice Lobed cluster) are good candidates for marking a contraction or retreat of late Early Archaic hunter-gatherer populations. While common in the Midwest, such points are absent (?) from Florida and present in only parts of South Carolina, Georgia, Alabama.
I'm aware of the Kentucky, Ohio, West Virginia Radiocarbon Database published by Cultural Resource Analysts, Inc. I'm wondering if there are similar existing compilations (either print or electronic) for other eastern states, especially those south of the Ohio River. I've only spent a short amount of looking, but I haven't come across any yet. At the risk of being accused of being lazy, I thought I'd throw the question out there and see what turns up. I will be very surprised if radiocarbon compilations haven't been produced for many areas of the east, and it seems worthwhile to ask about existing resources (which may not yet be easily "discoverable" online) before I contemplate yet another large-scale data mining effort. Please let me know if you can help.
I'm aware of the Kentucky, Ohio, West Virginia Radiocarbon Database published by Cultural Resource Analysts, Inc. I'm wondering if there are similar existing compilations (either print or electronic) for other eastern states, especially those south of the Ohio River. I've only spent a short amount of looking, but I haven't come across any yet. At the risk of being accused of being lazy, I thought I'd throw the question out there and see what turns up. I will be very surprised if radiocarbon compilations haven't been produced for many areas of the east, and it seems worthwhile to ask about existing resources (which may not yet be easily "discoverable" online) before I contemplate yet another large-scale data mining effort. Please let me know if you can help.
Update (3/27/2016): I've created this "Eastern Woodlands Radiocarbon Compilation" page to store links and references to radiocarbon compilations.
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