摘要:

AbstractLittle Colorado White Ware (LCWW) is a decorated black‐on‐white ceramic constructed by the Anasazi in the southwestern United States from approximately A. D. 1050 to 1250. LCWW potsherds are found in archaeological sites located throughout the Little Colorado River valley of northern Arizona. Two major volcanic fields which are located on opposite sides of the Little Colorado River, the San Francisco Peaks in the west and the Hopi Buttes in the east, have been proposed as source areas for LCWW production. Petrographic, X‐ray diffraction, and electron microprobe analyses of this ware's raw material constituents and geologic samples indicate that LCWW could only have been produced in the Hopi Buttes area. This study is presented as an example of a research design whose sample size, geographic scale, and methodologies can be effective in determining the source of prehistoric ceramics from the southwestern United States and elsewhere. © 1993 John Wiley&Son

ISSN:0883-6353    

DOI:10.1002/gea.3340080302

出版商:John Wiley&Sons, Inc.    

年代:1993

数据来源: WILEY

摘要:

AbstractTest excavations have been conducted at several dozen prehistoric archaeological sites on the James River floodplain in southeastern North Dakota. Radiocarbon dates and other evidence from these tested artifact deposits indicate that floodplain sedimentary contexts above today's river level are entirely Late Holocene in age. Middle and Early Holocene sediments are more deeply buried. Cultural strata from Late Plains Archaic, Early Plains Woodland, Middle Plains Woodland, and Plains Village settlements are characteristically contained within paleosols in the Late Holocene floodplain sediments. There is a positive correlation between periods of floodplain soil development and mesic climatic episodes identified in current paleoclimatic models for the Plains. There is also evidence for climatic variability within episodes. © 1993 John Wiley&Sons, Inc

ISSN:0883-6353    

DOI:10.1002/gea.3340080303

出版商:John Wiley&Sons, Inc.    

年代:1993

数据来源: WILEY

摘要:

AbstractElectrical resistivity surveys have been conducted, in conjunction with follow‐up auger and test excavations, to optimize the excavation potential within two European closed sites. The first site, Pont d'Ambon II rock shelter, is situated on the Dronne River in the Department of the Dordogne, southwestern France. It is located ∼100 m south of Pont d'Ambon I rock shelter, from which late Upper Paleolithic cultural material has been recovered. Auger testing within Pont d'Ambon II yielded results predicted by evaluation of the electrical data, including an area which contains cultural material. A second area contained a large, near‐surface limestone block, which probably resulted from a rock fall. The second site is located in a cave near the town of Konispol, Albania, in the southernmost part of the country. Its cultural deposits range in age from the Iron Age to at least Late Paleolithic times. Interpretation of the electrical resistivity data from Konispol Cave indicates that thick, relatively undisturbed sediments cover the floor in central portions of the cave. Only in one area near the entrance are limestone blocks likely to impair excavation efforts. Results from a test excavation, associated with an anomaly in the electrical data, uncovered a large, carefully constructed hearth. These data indicate that preliminary geophysical surveys at many archaeological sites can optimize excavation potential. © 1993 John Wiley&Son

ISSN:0883-6353    

DOI:10.1002/gea.3340080304

出版商:John Wiley&Sons, Inc.    

年代:1993

数据来源: WILEY

摘要:

AbstractInvestigations have been made into the vertical temperature gradients in Poole's Cavern, Derbyshire, U. K. Temperatures were recorded onto a data logger every 10 minutes at 10 sites in the cave and sampled for eight monthly periods during 1989/90. It was found that, in summer, cave temperatures were almost isothermal with a strong outflow of cool air at the cave entrance. In winter, cold air flowed into the cave whenever outside temperatures fell below those of the cave, to produce a strong inversion of temperature. Highest temperatures were found in the highest parts of the main chamber. When winds forced air into the cave entrance, the temperature gradient depended upon the relative temperature differences between outside and inside. Cluster analysis demonstrated distinct areas of similar temperature variation. In summer there were no real differences, while in winter the entrance tunnel and lower parts of the cave were markedly different from the higher parts. © 1993 John Wiley&Sons, Inc

ISSN:0883-6353    

DOI:10.1002/gea.3340080305

出版商:John Wiley&Sons, Inc.    

年代:1993

数据来源: WILEY

摘要:

AbstractGrinding stones excavated at the Predynastic site of HG in Upper Egypt were analyzed, and consist of igneous rocks (rhyolite porphyry, basalt, granite) and metamorphic rocks (marble, quartzite). These rocks were brought to the site in Predynastic times (ca. 4000–3000 B. C.) from the Dokkan Volcanics located in the Wadi Hammamat, possibly as far away as 150 km. This is further evidence for the widespread exchange network that existed in Predynastic Upper Egypt. Complex economic interaction, as evidenced by artifacts excavated at HG, was a prime force as the early state evolved in Egypt. © 1993 John Wiley&Sons, I

ISSN:0883-6353    

DOI:10.1002/gea.3340080306

出版商:John Wiley&Sons, Inc.    

年代:1993

数据来源: WILEY

ISSN:0883-6353    

DOI:10.1002/gea.3340080307

出版商:John Wiley&Sons, Inc.    

年代:1993

数据来源: WILEY

ISSN:0883-6353    

DOI:10.1002/gea.3340080308

出版商:John Wiley&Sons, Inc.    

年代:1993

数据来源: WILEY

ISSN:0883-6353    

DOI:10.1002/gea.3340080309

出版商:John Wiley&Sons, Inc.    

年代:1993

数据来源: WILEY

ISSN:0883-6353    

DOI:10.1002/gea.3340080310

出版商:John Wiley&Sons, Inc.    

年代:1993

数据来源: WILEY

ISSN:0883-6353    

DOI:10.1002/gea.3340080311

出版商:John Wiley&Sons, Inc.    

年代:1993

数据来源: WILEY