New excavations at the HWK EE site: Archaeology, paleoenvironment and site formation processes during late Oldowan times at Olduvai Gorge, Tanzania

Akaike, 1973, Information theory and an extension of the maximum likelihood principle, 267 Akaike, 1974, A new look at the statistical model identification, IEEE Transactions on Automatic Control, 19, 716, 10.1109/TAC.1974.1100705 Albert, 2001, Study of phytoliths in prehistoric ash layers using a quantitative approach, 251 Albert, 2006, Palaeoecological significance of palms at Olduvai Gorge, Tanzania, based on phytolith remains, Quaternary International, 193, 41, 10.1016/j.quaint.2007.06.008 Albert, 2015, Vegetation landscape at DK locality, Olduvai Gorge, Tanzania, Palaeogeography, Palaeoclimatology, Palaeoecology, 426, 34, 10.1016/j.palaeo.2015.02.022 Arroyo, 2018, Pounding tools in HWK EE and EF-HR (Olduvai Gorge, Tanzania): percussive activities in the Oldowan – Acheulean transition, Journal of Human Evolution, 120, 402, 10.1016/j.jhevol.2017.10.005 Ashley, 2009, Hominin use of springs and wetlands: Paleoclimate and archaeological records from Olduvai Gorge (∼1.79–1.74 Ma), Palaeogeography, Palaeoclimatology, Palaeoecology, 272, 1, 10.1016/j.palaeo.2008.10.016 Bamford, 2006, Plio-Pleistocene macroplant fossil remains and phytoliths from Lowermost Bed II in the eastern palaeolake of Olduvai Gorge, Tanzania, Quaternary International, 193, 95, 10.1016/j.quaint.2005.11.027 Behrensmeyer, 1978, Taphonomic and ecologic information from bone weathering, Paleobiology, 4, 150, 10.1017/S0094837300005820 Benito-Calvo, 2011, Analysis of orientation patterns in Olduvai Bed I assemblages using GIS techniques: Implications for site formation processes, Journal of Human Evolution, 61, 50, 10.1016/j.jhevol.2011.02.011 Benito-Calvo, 2009, Sedimentological and archaeological fabrics in Palaeolithic levels of the South-Eastern Pyrenees: Cova Gran and Roca dels Bous Sites Lleida, Spain, Journal of Archaeological Science, 36, 2566, 10.1016/j.jas.2009.07.012 Benn, 1994, Fabric shape and the interpretation of sedimentary fabric data, Journal of Sedimentary Research, A644, 910 Bertran, 2002, Fabriques des niveaux archéologiques: Méthode et premier bilan des apports à l'etude taphonomique des sites paléolithiques, Paléo, 14, 13, 10.4000/paleo.1383 Bertran, 2006, Composition granulométrique des assemblages lithiques, application à l'étude taphonomique des sites paléolithiques, Paléo, 18, 7, 10.4000/paleo.111 Bibi, 2018, Paleoecology of the Serengeti during the Oldowan-Acheulean transition at Olduvai Gorge, Tanzania: The mammal and fish evidence, Journal of Human Evolution, 120, 48, 10.1016/j.jhevol.2017.10.009 Binford, 1987, Searching for camps and missing the evidence? Another look at the Lower Paleolithic, 17 Blumenschine, 1991, Hominid carnivory and foraging strategies, and the socio-economic function of early archaeological sites, Philosophical Transactions of the Royal Society B, 334, 211, 10.1098/rstb.1991.0110 Blumenschine, 1991, Living sites at Olduvai Gorge, Tanzania? Preliminary landscape archaeology results in the basal Bed II lake margin zone, Journal of Human Evolution, 21, 451, 10.1016/0047-2484(91)90095-D Blumenschine, 1998, Archaeological predictions for hominid land use in the paleo-Olduvai Basin, Tanzania, during lowermost Bed II times, Journal of Human Evolution, 34, 565, 10.1006/jhev.1998.0216 Blumenschine, 1996, Blind tests of interanalyst correspondence and accuracy in the identification of cut marks, percussion marks, and carnivore tooth marks on bone surfaces, Journal of Archaeological Science, 23, 493, 10.1006/jasc.1996.0047 Bremond, 2005, Grass water stress estimated from phytoliths in West Africa, Journal of Biogeography, 32, 311, 10.1111/j.1365-2699.2004.01162.x Bullock, 1985 Bunn, 1982 Caljon, 1991, Sedimentary diatom assemblages in the northern part of Lake Tanganyika, Hydrobiologia, 226, 179, 10.1007/BF00006859 Clark, 1954, Distance to Nearest Neighbor as a Measure of Spatial Relationships in Populations, Ecology, 35, 445, 10.2307/1931034 Conolly, 2006 Courty, 2001, Microfacies analysis assisting archaeological stratigraphy, 205 Courty, 1989 Curray, 1956, The analysis of two-dimensional orientation data, The Journal of Geology, 64, 117, 10.1086/626329 de la Torre, 2018, The contexts and early Acheulean archaeology of the EF-HR paleo-landscape (Olduvai Gorge, Tanzania), Journal of Human Evolution, 120, 274, 10.1016/j.jhevol.2017.06.012 de la Torre, 2015, Archaeological fieldwork techniques in Stone Age sites. Some case studies, 21 de la Torre, 2013, Application of GIS methods to retrieve orientation patterns from imagery; a case study from Beds I and II, Olduvai Gorge (Tanzania), Journal of Archaeological Science, 40, 2446, 10.1016/j.jas.2013.01.004 de la Torre, 2018, The impact of hydraulic processes in Olduvai Beds I and II, Tanzania, through a particle dimension analysis of stone tool assemblages, Geoarchaeology, 33, 218, 10.1002/gea.21629 de la Torre, 2005, Unmodified lithic material at Olduvai Bed I: Manuports or ecofacts?, Journal of Archaeological Science, 32, 273, 10.1016/j.jas.2004.09.010 de la Torre, 2018, Oldowan technological behaviour at HWK EE (Olduvai Gorge, Tanzania), Journal of Human Evolution, 120, 236, 10.1016/j.jhevol.2018.04.001 de la Torre, 2018, Site formation processes of the early Acheulean assemblage at EF-HR (Olduvai Gorge, Tanzania), Journal of Human Evolution, 120, 298, 10.1016/j.jhevol.2017.07.002 Daniel, 1990, Kolmogorov–Smirnov one-sample test Deocampo, 2002, Wetland diagenesis and traces of early hominids, Olduvai Gorge, Tanzania, Quaternary Research, 57, 271, 10.1006/qres.2001.2317 Domínguez-Rodrigo, 2007 Fisher, 1925 Folk, 1959, Practical petrographic classification of limestones, American Association of Petroleum Geologists Bulletin, 43, 1 Gasse, 1980, Les diatomées lacustres Plio-Pleistocènes du Gadeb (Ethiopie).Systématique, paléoécologie, biostratigraphie, Revue Algologique. Mémoire hors-série, 3, 1 Gasse, 1986 Gasse, 1983, Transfer functions for estimating paleoecological conditions (pH) from East African diatoms, Hydrobiologia, 103, 85, 10.1007/BF00028433 Gasse, 1995, Diatom-based transfer functions for inferring past hydrochemical characteristics of African lakes, Palaeogeography, Palaeoclimatology, Palaeoecology, 117, 31, 10.1016/0031-0182(94)00122-O Gentry, 1978, Fossil Bovidae (Mammalia) of Olduvai Gorge, Tanzania. Part I, Bulletin of the British Museum, Geological Series, 29, 289 Goldberg, 2006 Graham, 2000, Graphical representation of particle shape using triangular diagrams: an Excel spreadsheet method, Earth Surface Processes and Landforms, 25, 1473, 10.1002/1096-9837(200012)25:13<1473::AID-ESP158>3.0.CO;2-C Haining, 1990, The use of added variable plots in regression modelling with spatial data, The Professional Geographer, 42, 336, 10.1111/j.0033-0124.1990.00336.x Hay, 1976 Ihaka, 1996, R: A language for data analysis and graphics, Journal of Computational & Graphical Statistics, 5, 299 Isaac, 1997, The stone artefact assemblages: A comparative study, 262 Jenks, 1971, Error in choropleth maps: definition, measurement, reduction, Annals of the Association of American Geographers, 61, 217, 10.1111/j.1467-8306.1971.tb00779.x Jorayev, 2016, Imaging and photogrammetry models of Olduvai Gorge (Tanzania) by Unmanned Aerial Vehicles: A high-resolution digital database for research and conservation of Early Stone Age sites, Journal of Archaeological Science, 75, 40, 10.1016/j.jas.2016.08.002 Katz, 2010, Rapid phytolith extraction for analysis of phytolith concentrations and assemblages during an excavation: an application at Tell es-Safi/Gath, Israel, Journal of Archaeological Science, 37, 1557, 10.1016/j.jas.2010.01.016 Kaufman, 1990 Krammer, 1991 Krammer, 2004 Kvamme, 1983, Computer processing techniques for regional modelling of archaeological site locations, Advances in Computer Archaeology, 1, 26 Kvamme, 1988, Development and testing of quantitative models, 325 Lange-Bertalot, 2001, Vol. 2, 1 Leakey, 1951 Leakey, 1971 Lenoble, 2004, Fabric of Palaeolithic levels: methods and implications for site formation processes, Journal of Archaeological Science, 31, 457, 10.1016/j.jas.2003.09.013 Levi Sala, 1986, Use wear and post-depositional surface modification: A word of caution, Journal of Archaeological Science, 13, 229, 10.1016/0305-4403(86)90061-0 Liutkus, 2003, Facies model of a semiarid freshwater wetland, Olduvai Gorge, Tanzania, Journal of Sedimentary Research, 73, 691, 10.1306/021303730691 Lund, 2007 Macphail, 2001, The soil micromorphologist as team player: a multianalytical approach to the study of European microstratigraphy, 241 MacQueen, 1967, 281 McHenry, 2016, Geochemical “fingerprints” for Olduvai Gorge Bed II tuffs and implications for the Oldowan–Acheulean transition, Quaternary Research, 85, 147, 10.1016/j.yqres.2015.10.005 McHenry, 2018, Hominin raw material procurement in the Oldowan-Acheulean transition at Olduvai Gorge, Journal of Human Evolution, 120, 378, 10.1016/j.jhevol.2017.11.010 McHenry, 2018, Tephrochronology of Bed II, Olduvai Gorge, Tanzania, and placement of the Oldowan–Acheulean transition, Journal of Human Evolution, 120, 7, 10.1016/j.jhevol.2017.12.006 van der Merwe, 2013, Isotopic ecology of fossil fauna from Olduvai Gorge at ca 1.8 Ma, compared with modern fauna, South African Journal of Science, 109, 1, 10.1590/sajs.2013/20130105 Monahan, 1996, New zooarchaeological data from Bed II, Olduvai Gorge, Tanzania: implications for hominid behavior in the Early Pleistocene, Journal of Human Evolution, 31, 93, 10.1006/jhev.1996.0053 Mora, 2010, ArqueoUAB: A systematic archaeographic approach for the analysis of Palaeolithic sites, 1 Murphy, 1986 Njau, 2012, Crocodylian and mammalian carnivore feeding traces on hominid fossils from FLK 22 and FLK NN 3, Plio-Pleistocene, Olduvai Gorge, Tanzania, Journal of Human Evolution, 63, 408, 10.1016/j.jhevol.2011.05.008 Pante, 2010, Fluvial transport of bovid long bones fragmented by the feeding activities of hominins and carnivores, Journal of Archaeological Science, 3, 846, 10.1016/j.jas.2009.11.014 Pante, 2018, A hidden treasure of the Lower Pleistocene: the Leakey HWK EE assemblage, Journal of Human Evolution, 120, 114, 10.1016/j.jhevol.2017.06.006 Pante, 2018, The carnivorous feeding behavior of early Homo at HWKEE, Bed II, Olduvai Gorge, Tanzania, Journal of Human Evolution, 120, 215, 10.1016/j.jhevol.2017.06.005 Pearson, 1900, On the criterion that a given system of deviations from the probable in the case of a correlated system of variables is such that it can be reasonably supposed to have arisen from random sampling, Philosophical Magazine Series, 50, 157, 10.1080/14786440009463897 Petraglia, 1994, Water flow and the formation of Early Pleistocene artifact sites in Olduvai Gorge, Tanzania, Journal of Anthropological Archaeology, 13, 228, 10.1006/jaar.1994.1014 Prassack, 2014, Landscape distribution and ecology of Plio-Pleistocene avifaunal communities from Lowermost Bed II, Olduvai Gorge, Tanzania, Journal of Human Evolution, 70, 1, 10.1016/j.jhevol.2013.09.013 Prassack, 2018, The paleoecology of Pleistocene birds from Middle Bed II, at Olduvai Gorge, Tanzania, Journal of Human Evolution, 120, 32, 10.1016/j.jhevol.2017.11.003 Proffitt, 2018, Is there a Developed Oldowan A at Olduvai Gorge? A diachronic analysis of the Oldowan in Bed I and Lower-Middle Bed II at Olduvai Gorge, Tanzania, Journal of Human Evolution, 120, 92, 10.1016/j.jhevol.2018.01.006 Proffitt, 2014, The effect of raw material on inter-analyst variation and analyst accuracy for lithic analysis: a case study from Olduvai Gorge, Journal of Archaeological Science, 45, 270, 10.1016/j.jas.2014.02.028 Renberg, 1990, A procedure for preparing large sets of diatom slides from sediment cores, Journal of Paleolimnology, 4, 87, 10.1007/BF00208301 Ripley, 1976, The second order analysis of stationary point process, Journal of Applied Probability, 13, 255, 10.2307/3212829 Ripley, 1981 Rivals, 2018, Dietary traits of the ungulates from the HWK EE site at Olduvai Gorge (Tanzania): Diachronic changes and seasonality, Journal of Human Evolution, 120, 203, 10.1016/j.jhevol.2017.08.011 Robert, 2004 Ryves, 2009, The dilemma of disappearing diatoms: Incorporating diatom dissolution data into palaeoenvironmental modelling and reconstruction, Quaternary Science Reviews, 28, 120, 10.1016/j.quascirev.2008.08.021 Santonja, 2014, Technological strategies and the economy of raw materials in the TK (Thiongo Korongo) lower occupation, Bed II, Olduvai Gorge, Tanzania, Quaternary International, 322–323, 181, 10.1016/j.quaint.2013.10.069 Sánchez-Yustos, 2016, Techno-economic human behavior in a context of recurrent megafaunal exploitation at 1.3 Ma. Evidence from BK4b (Upper Bed II, Olduvai Gorge, Tanzania), Journal of Archaeological Science: Reports, 9, 386, 10.1016/j.jasrep.2016.08.019 Schick, 1984 Shapiro, 1965, An analysis of variance test for normality complete samples, Biometrika, 52, 591, 10.1093/biomet/52.3-4.591 Shea, 1999, Artifact abrasion, fluvial processes, and “Living Floors” from the Early Paleolithic site of Ubeidiya (Jordan Valley, Israel), Geoarchaeology, 14, 191, 10.1002/(SICI)1520-6548(199902)14:2<191::AID-GEA4>3.0.CO;2-K Shepard, 1954, Nomenclature based on sand-silt-clay ratios, Journal of Sedimentary Petrology, 24, 151 Sneed, 1958, Pebbles in the Lower Colorado River, Texas a study in particle morphogenesis, The Journal of Geology, 66, 114, 10.1086/626490 Stanistreet, 2012, Fine resolution of early hominin time, Beds I & II, Olduvai Gorge, Tanzania, Journal of Human Evolution, 63, 300, 10.1016/j.jhevol.2012.03.001 Stanistreet, 2018, Bed II sequence stratigraphic context of EF-HR and HWK EE archaeological sites, and the Oldowan/Acheulean succession at Olduvai Gorge, Tanzania, Journal of Human Evolution, 120, 19, 10.1016/j.jhevol.2018.01.005 Stoops, 2003 Stoops, 2010 1908, The Probable Error of a Mean, Biometrika, 6, 1, 10.2307/2331554 Teil, 1975, Correspondence factor analysis: An outline of its method, Journal of the International Association for Mathematical Geology, 7, 3, 10.1007/BF02080630 Tukey, 1949, Comparing individual means in the analysis of variance, Biometrics, 5, 99, 10.2307/3001913 Uno, 2018, Large mammal diets and paleoecology across the Oldowan-Acheulean transition at Olduvai Gorge, Tanzania from stable isotope and tooth wear analyses, Journal of Human Evolution, 120, 76, 10.1016/j.jhevol.2018.01.002 Woodcock, 1977, Specification of fabric shapes using an eigenvalue method, The Geological Society of America Bulletin, 88, 1231, 10.1130/0016-7606(1977)88<1231:SOFSUA>2.0.CO;2