McElmo Phase

McElmo Phase refers to a period in the late 11th and early 12th centuries, when drastic changes in ceramics and masonry techniques in Chaco Canyon appeared. During this period the Ancestral Puebloans living in the canyon started using painted black-on-white pottery versus their standard grey ware, and the masonry and layout of great houses built during the McElmo phase, which was the last major construction era in the canyon, differ significantly from those built during the early parts of the Bonito Phase (850 to 1140), which overlaps with the McElmo Phase. Archeologists initially suggested that the McElmo influence was brought to Chaco Canyon by immigrants from Mesa Verde, but subsequent research suggests that the developments were of local origin. Archeologist R. Gwinn Vivian notes, "The jury is still out on this question, a problem that poses intriguing possibilities for future work."[1]

A color picture of a large sandstone masonry wall
McElmo style masonry at the Chacoan great house Kin Kletso
A color picture of a black and white bowl with geometric designs
An example of McElmo/Chaco black-on-white pottery

Chetro Ketl

A smaller square building, known as the Talus Unit, with a McElmo style floor plan lies just west of Chetro Ketl.[2] The Kiva G complex was constructed using McElmo type masonry, and ceramic evidence uncovered from refuse found in Chetro Ketl indicates a significant McElmo presence.[3] Much of the masonry found in North Block F also appears to be McElmo style.[4]

References
  1. Vivian & Hilpert 2012, pp. 72, 184–86.
  2. Lekson & McKenna 1983, p. 1.
  3. Lekson 1983b, pp. 263, 317.
  4. Lekson 1983a, p. 101.
Bibliography
  • Lekson, Stephen H. (1983a), "Building Stages", in Lekson, Stephen H. (ed.), The Architecture and Dendrochronology of Chetro Ketl (PDF), National Park Service, US Department of the Interior, pp. 95–103
  • Lekson, Stephen H. (1983b), "Construction History of Chetro Ketl", in Lekson, Stephen H. (ed.), The Architecture and Dendrochronology of Chetro Ketl (PDF), National Park Service, US Department of the Interior, pp. 241–71
  • Lekson, Stephen H.; McKenna, Peter J. (1983), "Introduction: Chetro Ketl and this Study", in Lekson, Stephen H. (ed.), The Architecture and Dendrochronology of Chetro Ketl (PDF), National Park Service, United States Department of the Interior, pp. 1–10
  • Vivian, R. Gwinn; Hilpert, Bruce (2012), The Chaco Handbook: An Encyclopedic Guide (2 ed.), University of Utah Press, ISBN 978-1-60781-195-4



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