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991.
Oreto García Puchol Sarah B. McClure Josep Blasco Senabre Fernando Cotino Villa Vito Porcelli 《Journal of archaeological science》2013
In this paper we present a virtual reconstruction of prehistoric funerary practices in Pastora Cave, a collective burial site in Eastern Spain that dates from the Late Neolithic, Chalcolithic and Bronze Age. Modern data of the cave was captured by 3D laser scanning techniques and added to recorded archaeological data and 3D graphic information. The combination of these data sets allowed us to create a hypothetical reconstruction to analyze the material excavated in the 1940s and 50s in greater spatial context. A 3D model of the current cave was created in order to serve as a basis for modeling the relative stratigraphic information available. We present the methodology employed and the results and implications of the analysis for Pastora Cave with particular emphasis on the spatial and chronological data. 相似文献
992.
993.
Marcos Martín Cenizo Claudia Patricia Tambussi Claudia Inés Montalvo 《Alcheringa: An Australasian Journal of Paleontology》2013,37(1):47-68
Cenizo, M.M., Tambussi, C.P. & Montalvo, C.I., iFirst Article. Late Miocene continental birds from the Cerro Azul Formation in the Pampean region (central-southern Argentina). Alcheringa, 1–22. ISSN 0311-5518. The oldest known birds from the Cerro Azul Formation are described, including the oldest records for the genera Eudromia and Nothura (Tinamidae), Milvago (Falconidae), Pterocnemia (Rheidae) and an undetermined Tyrannidae. The first remains of Phorusrhacidae for this formation are reported and a specimen previously referred to the giant teratorn Argentavis magnificens is reassigned to this family. We outline and update the current knowledge of the groups studied herein. The palaeornithological record from the Cerro Azul Formation is congruent with palaeoenvironmental inferences previously drawn from mammalian assemblages recovered from this unit, which point to the existence of open environments, possibly xerophyllous shrubby steppes, perhaps with some trees. These records are the first indications of a typically Pampean bird fauna at the end of the late Miocene in central-southern Argentina. 相似文献
994.
Analía E. Artabe Alba B. Zamuner 《Alcheringa: An Australasian Journal of Paleontology》2013,37(1):85-96
Artabe, A.E. & Zamuner, A.B., March 2007. Elchaxylon, a new corystosperm based on permineralized stems from the Late Triassic of Argentina. Alcheringa 31, 85‐96. ISSN 0311-5518. Anatomically preserved stems of Late Triassic corystosperms from the Río Blanco Formation of Argentina are described and assigned to Elchaxylon zavattieriae gen. et sp. nov. The polyxylic gymnospermous axes have two discontinuous cambial rings, which develop centrifugal secondary xylem and centripetal secondary xylem around the mesarch primary xylem bundles. The centrifugal undivided pycnoxylic secondary xylem incorporates uniseriate rays, uni- to biseriate radial pitting either alternate or opposite, and one or two simple pits in each cross-field. Atypical secondary growth is restricted to localized development of centripetal secondary xylem (inverted xylem). Elchaxylon could represent a basal member of the rhexoxyloid lineage. This basal clade is characterized by limited centripetal secondary xylem, lack of perimedullar bundles, and modest development of centrifugal xylem. Analia E. Artabe [aeartabe@museo.fcnym.unlp.edu.ar] and Alba B. Zamuner [azamuer@museo.fcnym.unlp.edu.ar]. División Paleobotánica, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Paseo del Bosque SN, 1900 La Plata, Argentina and Consejo Nacional de Investigaciones Científicas y Técnicas; received 20.5.2005, revised and accepted 14.9.2005. 相似文献
995.
Diego C. García-Bellido César A. Chacaltana 《Alcheringa: An Australasian Journal of Paleontology》2013,37(3):313-320
Konservat-Lagerstätten are a source of insurmountable information on the diversity of fossil assemblages during the lower Palaeozoic. Soft-bodied fossils are especially rare in South America, but a new locality has been discovered from the Middle Ordovician of Peru that has produced the fairly well-preserved possible palaeoscolecidan Juninscolex ingemmetianum gen. et sp. nov. The distinctive characteristics of this worm make it similar to European taxa within the group. 相似文献
996.
Claudia J. del Río Sergio A. Martínez Jeffrey D. Stilwell Andrea Concheyro 《Alcheringa: An Australasian Journal of Paleontology》2013,37(3):241-269
Palynofloras from an outlier of Tertiary sediments in the One Tree Hill area north of Adelaide are nonmarine and correlate with similar assemblages from Middle Eocene North Maslin Sands from Maslin Bay and Golden Grove. Although there are similarities with time-equivalent Lower Nothofagidites asperus Zone palynofloras in the Gippsland Basin, a number of species in the South Australian palynofloras do not extend below the Late Eocene in the Gippsland sequences. This indicates earlier appearances for these species in southcentral Australia. The sediments overlie a highly weathered bedrock palaeosurface, indicating that a phase of significant weathering occurred prior to the Middle Eocene. A number of selected taxa are illustrated and their distribution in the palynofloras is discussed. Two new species, Proteacidites mildenhallii and Proteacidites parrawirrensis, are described and one species, Rhoipites byfieldensis, is emended. 相似文献
997.
Carlos A. Sánchez Botero Francisca E. Oboh-ikuenobe Mike Macphail 《Alcheringa: An Australasian Journal of Paleontology》2013,37(3):415-419
Sánchez Botero, C.A., Oboh-Ikuenobe, F.E. & Macphail, M.K., 2013. First fossil pollen record of the Northern Hemisphere species Aglaoreidia cyclops Erdtman, 1960 in Australia. Alcheringa 37, 1–5. ISSN 0311-5518. Aglaoreidia cyclops Erdtman, 1960 is a fossil pollen species associated with upper Eocene to lower Oligocene freshwater deposits in Europe and North America. Specimens preserved in upper Eocene lignites near Norseman, Western Australia, are the first record of this Northern Hemisphere species both in Australia and the Southern Hemisphere. This new report widens the biogeographic distribution originally considered for this species. The stratigraphical and environmental characteristics of A. cyclops also make it an excellent stratigraphic indicator of upper Eocene freshwater deposits in Western Australia. Carlos A. Sánchez Botero [casmwc@mail.mst.edu], Francisca E. Oboh-Ikuenobe [ikuenobe@mst.edu] Department of Geological Sciences and Engineering, Missouri University of Science and Technology, 129 McNutt Hall, Rolla, MO 65409, USA; Mike Macphail [mike.macphail@anu.edu.au] Department of Archaeology and Natural History, College of Asia and the Pacific, Australian National University Canberra, ACT 0200, Australia. Received 12.10.2012; revised 6.3.2013; accepted 7.3.2013. 相似文献
998.
999.
Revuelta Eugercios BA 《The Journal of interdisciplinary history》2012,42(4):645-672
In nineteenth-century Europe, the foundling hospital grew beyond its traditional purpose of mitigating the shame of unwed mothers by also permitting widows, widowers, and poor married couples to abandon their children there temporarily. In the Foundling Hospital of Madrid (FHM), this new short-term abandonment could be completely anonymous due to the implementation of a wheel—a device on the outside wall of the institution that could be turned to place a child inside—which remained open until 1929. The use of survival-analysis techniques to disentangle the determinants of retrieval in a discrete framework reveals important differences in the situations of the women who abandoned their children at the FHM, partly depending on whether they accessed it through the Maternity Hospital after giving birth or they accessed it directly. The evidence suggests that those who abandoned their children through the Maternity Hospital retrieved them only when they had attained a certain degree of economic stability, whereas those who abandoned otherwise did so just as soon as the immediate condition prompting the abandonment had improved. 相似文献
1000.
Stone weapon points constitute a major innovation appearing at the end of the Middle Pleistocene in Europe, Africa and the Near East; that is, among both sapiens and Neanderthal populations. The microscopic analysis of the stone weapons used by Neanderthal groups in Atlantic southern Europe suggests that this technology was widespread and became a recurrent behaviour within organised strategies developed by these societies. In this southern region of Europe, stone weapon hunting technology appears at an early time (about 150 ka, OIS 6) and is associated with the hunting of large mammals. This behaviour can be recognised in a geomorphologically complex region and at a time of great environmental change (OIS 6–5–4). The fact that these innovations were used by European Neanderthals long before the spread of anatomically modern humans in the area is of great evolutionary significance. 相似文献