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Tuesday, January 30, 2018

The Pennsylvania Center for the Book - Meadowcroft Rockshelter
src: pabook2.libraries.psu.edu

Meadowcroft Rockshelter is an archaeological site located near Avella in Jefferson Township, Washington County, Pennsylvania, United States. The site, a rock shelter in a bluff overlooking Cross Creek (a tributary of the Ohio River), is located 27 miles west-southwest of Pittsburgh in the Pittsburgh metropolitan area. In the 21st century, the site has a museum and a reconstruction of a circa 1570s Monongahela Culture Indian village. It operates as a division of the Heinz History Center of Pittsburgh. The artifacts from the site show the area may have been continually inhabited for more than 19,000 years, since Paleo-Indian times.

The remarkably complete archaeological site shows the earliest known evidence of human presence and the longest sequence of continuous human occupation in the New World.

It is recognized as a National Historic Landmark, a Pennsylvania Commonwealth Treasure, and as an official project of Save America's Treasures.


Video Meadowcroft Rockshelter



Site

The rockshelter is a natural formation beneath an overhanging cliff of Morgantown-Connellsville sandstone, which is a thick Pennsylvanian-age sandstone, brown in color. Meadowcroft is in the Allegheny Plateau, northwest of the Appalachian Basin.

The site was listed on the National Register of Historic Places in 1978. In 1999 , the Pennsylvania Historical and Museum Commission installed a historical marker noting the historic importance of the site. It was designated a National Historic Landmark in 2005. It is designated as a historic public landmark by the Washington County History & Landmarks Foundation.


Maps Meadowcroft Rockshelter



Archaeology

Native Americans left the site during the American Revolutionary War. It was not re-discovered until many years later, when, in 1955, Albert Miller found the first artifacts in a groundhog burrow. Miller delayed reporting his findings until he contacted James M. Adovasio, who led the first excavations of the site in 1973 until 1979 by the Cultural Resource Management Program of the University of Pittsburgh. Further University of Pittsburgh field school excavations were conducted through 1989. Since the 1990s, more recent work has also been undertaken by Adovasio through the Mercyhurst Archaeological Institute. The methods of excavation used at Meadowcroft are still seen as state-of-the-art. It is viewed as one of the most carefully excavated sites in North America.

Radiocarbon dating of the site indicated occupancy beginning 16,000 years ago and possibly as early as 19,000 years ago. The dates are still controversial. A recent survey carried out by the Society for American Archaeology reported support from 38% of archaeologists, with 20% rejecting the early dates. Criticism of these early radiocarbon dates has focused on the potential for contamination by ancient carbon from coal-bearing strata in the watershed. The samples, tested by an independent third party geomorphologist, concluded that the samples showed no evidence of groundwater activity. Tests performed via accelerator mass spectrometry also support the earlier dates. If authentic, these dates would indicate that Meadowcroft was used in the pre-Clovis era and, as such, provides evidence for very early human habitation of the Americas. Meadowcroft Rockshelter may be the oldest known site of human habitation in North America, providing a unique glimpse into the lives of prehistoric hunters and gatherers. Paleoindian, Archaic, and Woodland remains have all been found at the site.

Meadowcroft Rockshelter has yielded the largest collection of flora and fauna materials ever recovered from a location in eastern North America. The arid environment provided the necessary and rare conditions that permitted excellent botanical preservation. In total, animal remains representing 149 species were excavated. Evidence shows that people gathered smaller game animals as well as plants, such as corn, squash, fruits, nuts and seeds.

Additionally, the site has produced Pre-Clovis remains, found as deep as 11.5 feet underground. The site also has yielded many tools, including pottery, bifaces, bifacial fragments, lamellar blades, a lanceolate projectile point, and chipping debris. Recoveries of note also include fluted points, which are a marker of the Paleoindian period. Remains of flint from Ohio, jasper from eastern Pennsylvania and marine shells from the Atlantic coast suggest that the people inhabiting the area were mobile and involved in long-distance trade. At least one basin-shaped hearth was reused over time.

The Miller complex

An unusual type of arrowhead was found at the site, that has been named as the Miller Lanceolate projectile point. Similar unfluted lanceolate points have also been found at the adjacent sites.

"Enough lithic artifacts were recovered to define the Miller complex. This complex consists of thin bifaces, including one lanceolate point, the Miller Lanceolate; small prismatic blades; retouched flake tools and blades; and debitage related to latestage core and biface reduction and tool kit maintenance.

The Miller complex is further defined by surveys done in the Cross Creek watershed, where other lanceolate points, small prismatic blades, and small polyhedral blade cores have been recovered. According to Adovasio et al, this complex has a Eurasiatic and Siberian appearance. These authors also note that small blades and polyhedral cores are absent from subsequent Paleoindian fluted-point assemblages in this region, reinforcing the technological distinctiveness of the Miller complex.

The adjacent Krajacic Site is located about 10 miles southeast of Meadowcroft, and it is also important in defining the Miller complex. This site yielded a great variety of the distinctive Meadowcroft-style blade implements and several small, cylindrical polyhedral cores.

At Cactus Hill in Virginia, similar points have been found, where they are dubbed as the Early Triangular type. Some similar finds were made at the Page-Ladson prehistory site in Florida as well.

Because of the very long occupational sequence at Meadowcroft, it became a very important site, and is seen as quite valuable for comparative analysis.

"The Pre-Clovis artifacts from Meadowcroft Rockshelter include a lanceolate point (named the Miller Lanceolate), bifaces, unifaces, prismatic blades, core fragments, and debitage. Remains from other Pre-Clovis sites (e.g., Cactus Hill and Saltville, Virginia, Topper, South Carolina, etc.) are usually compared to the Meadowcroft assemblage. In addition, claims for Pre-Clovis inhabitants in other sections of the New World also are evaluated with Meadowcroft in mind (Lozano Ruiz 2000)."

According to some scholars, Clovis, Folsom and other fluted point complexes may have derived from such unfluted lanceolate points.


strata markers Meadowcroft Rock Shelter Paleo Indian Pennsylvania ...
src: c8.alamy.com


Current site

Renovations to the rock shelter in 2008 were made so that visitors can see some of the tools and campfires made by the first Americans thousands of years ago. The Rockshelter is recognized as a Pennsylvania Commonwealth Treasure and is an official project of Save America's Treasures. The historic site also includes a recreation of a 16th-century Monongahela village as well as 18th and 19th century buildings from European and United States settlement.


Meadowcroft Rockshelter, a pre-Clovis site
src: donsmaps.com


See also

  • Prehistory of West Virginia
  • List of Native American archaeological sites on the National Register of Historic Places in Pennsylvania
  • Monte Verde
  • Topper (archaeological site)
  • List of National Historic Landmarks in Pennsylvania
  • Martz Rock Shelters

Inside The Wigwam At Meadowcroft Rockshelter Stock Photo, Picture ...
src: previews.123rf.com


Citations


Meadowcroft Rockshelter - Native American Indian's village Model ...
src: i.ytimg.com


References

  • Goodyear, Albert C. (1 January 2005). "Evidence of Pre-Clovis Sites in the Eastern United States". Scholar Commons. University of South Carolina. Retrieved 20 January 2015. 
  • Minnesota State University emuseum
  • James Adovasio and Jake Page, The First Americans: In Pursuit of Archaeology's Greatest Mystery, 2003, ISBN 0-375-75704-X.
  • Meadowcroft Rockshelter and Museum of Rural Life
  • "The Greatest Journey," James Shreeve, National Geographic, March 2006, p. 64. Shows dates 19,000 to 12,000 years ago; as well as Clovis (13,500 years ago) and Monte Verde 14,800 years ago.
  • Heinz History Center

Meadowcroft Rockshelter and Historic Village: Senator John Heinz ...
src: i.ytimg.com


Further reading

  • Senator John Heinz Pittsburgh Regional History Center page on Meadowcroft Rockshelter
  • Pittsburgh Post-Gazette article on Meadowcroft expert
  • American Indian Village reenactment
  • Adovasio, J. M., with Jack Page. The First Americans: In Pursuit of Archaeology's Greatest Mystery. New York: Random House, 2002. Chapter 7 focuses on the Meadowcroft Rockshelter; the rest of the book sets the dig and the controversy surrounding it in a broader scholarly context.
  • Adovasio, J.M., J. Donahue, and R. Stuckenrath. "The Meadowcroft Rockshelter radiocarbon chronology 1975-1990." American Antiquity, 55.n2 (April 1990): 348(7).
  • Chandler, Graham. "The dawn of civilization." Equinox, 96 (1998): 18. A brief article about the site and its artifacts.
  • Shea, Neil. "The First Americans?." National Geographic, 207.5 (2005): 2.
  • "Who's Really on First?", Natural History, 109.9 (Nov 2000): 10. Presents differing opinions between James Adovasio and Anna Curtenius Roosevelt regarding the accuracy of dating artifacts from Meadowcroft.

Meadowcroft Rockshelter - Wikipedia
src: upload.wikimedia.org


External links

  • Meadowcroft Rockshelter and Historic Village official website
  • "America's Stone Age Explorers". NOVA. PBS TV. Retrieved 2006-06-01. 

Source of article : Wikipedia