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The main diagnostic artifact of this focus is the shell-tempered Allamakee Trailed pottery. The Orr focus has been radiocarbon dated to the late Prehistoric to Protohistoric and early Historic Periods, and the artifacts recovered confirm this late date. it is believed to represent the Prehistoric culture of the Ioway and Otoe tribes. [1]
The diagnostic artifact of this occupation is the Oneota shell-tempered pottery, which is decorated with curvilinear motifs suggestive of the pottery from the Middle Mississippian Aztalan and Cahokia sites. The timeframe of this occupation is radiocarbon-dated by 3 dates ranging from A.D. 998-A.D. 1528.
The Clovis horizon is found below Folsom within a 2.5 centimetres (0.98 in) thick layer containing Clovis diagnostics. The Buttermilk Creek complex is found below Clovis and defined within a 20 centimetres (7.9 in) thick layer containing artifacts. There were 18 OSL dates ranging from 14,000-17,500 BP taken from this layer. Lanceolate stemmed ...
The primary diagnostic artifact of Period A is the distinctive shell-tempered cordmarked pottery with elaborate decoration originally termed “antler-point” pottery by Langford since he assumed the incised lines of decoration were applied in the wet clay by the tip of an antler prior to firing in the kiln. The predominant vessel form was ...
“In my opinion,” he continued, “any future diagnostic test derived from biomarkers must include robust counseling and education to ensure people understand the test’s limitations and the ...
Chipped stone crescents are a class of artifact found mainly associated with surface components of archaeological sites located in the Great Basin, the Columbia Plateau, and throughout California. Although their distribution covers a large portion of the western United States, crescents are often found in similar contexts in close proximity to ...
This week, explore decoded words from charred ancient scrolls, meet heroic frog daddies, see Grand Canyon-size lunar features, and more.
Longtime MSNBC host Rachel Maddow sounded off during a Monday night broadcast of “The Rachel Maddow Show” on the network’s major line-up changes, which saw the exit of anchor Joy Reid.