| 词条 | Solutrean hypothesis |
| 释义 |
The Solutrean hypothesis on the peopling of the Americas claims that the earliest human migration to the Americas took place from Europe, during the Last Glacial Maximum.[1][2][3] This hypothesis contrasts with the mainstream view that the North American continent was first reached after the Last Glacial Maximum, by people from North Asia, either by the Bering land bridge (i.e. Beringia),[4] or by maritime travel along the Pacific coast, or by both. According to the Solutrean hypothesis, people of the Solutrean culture, 21,000 to 17,000 years ago migrated to North America by boat along the pack ice of the North Atlantic Ocean.[5] They brought their methods of making stone tools with them and provided the basis for the later (c. 13,000 years ago) Clovis technology that spread throughout North America. The hypothesis is based on similarities between European Solutrean and Clovis lithic technologies. Supporters of the Solutrean hypothesis refer to recent archaeological finds such as those at Cactus Hill in Virginia, Meadowcroft Rockshelter in Pennsylvania, and Miles Point in Maryland as evidence of a transitional phase between Solutrean lithic technology and what later became Clovis technology. Originally proposed in the 1970s, the theory has received some support in the 2010s, notably by Dennis Stanford of the Smithsonian Institution and Bruce Bradley of the University of Exeter.[6] However, according to David Meltzer, "Few if any archaeologists—or, for that matter, geneticists, linguists, or physical anthropologists—take seriously the idea of a Solutrean colonization of America."[7] The evidence for the hypothesis is considered more consistent with other scenarios. In addition to an interval of thousands of years between the Clovis and Solutrean eras, the two technologies show only incidental similarities. There is no evidence for any Solutrean seafaring, far less for any technology that could take humans across the Atlantic in an ice age. Recent genetic evidence supports the idea of Asian, not European, origins for the peopling of the Americas.[8][9][9][11] CharacteristicsSolutrean culture was based in present-day France, Spain and Portugal, from roughly 21,000 to 17,000 years ago. The manufacture of stone tools from this period is distinguished by bifacial, percussion and pressure-flaked points. The Solutrean toolmaking industry disappeared from Europe around 17,000 years ago, replaced by the lithic technology of the Magdalenian culture.{{Citation needed|date=February 2014}} Clovis tools are characterized by a distinctive type of spear point, known as the Clovis point. Solutrean and Clovis points do have common traits: the points are thin and bifacial, and both use the "outrepassé", or overshot flaking technique, that quickly reduces the thickness of a biface without reducing its width.{{Citation needed|date=February 2014}} The Clovis point differs from the Solutrean in that some of the former have bifacial fluting, referring to the long groove carved into the bottom edge of a point to help attach it to the head of a spear. Bifacial fluting describes blades on which this feature appears on both its sides. Clovis toolmaking technology appears in the archaeological record in much of North America between 12,800 and 13,500 years ago. Older blades with this attribute have yet to be discovered from sites in either Asia or Alaska.[4] Atlantic crossingThe Solutrean hypothesis posits that a population derived from the Solutrean culture of Western Europe may have crossed the North Atlantic Ocean along the edge of pack ice that extended from the Atlantic coast of France to North America during the Last Glacial Maximum, before 17 kya. The model postulates early inhabitants may have made the crossing in small boats, using skills similar to those of the modern Inuit people: hauling out on ice floes at night; collecting fresh water from melting icebergs or the first-frozen parts of sea ice; hunting seals and fish for food; and using seal blubber as heating fuel. Among other evidence, they cite the discovery in the Solutrean toolkit of bone needles used for sewing waterproof clothing from animal hides similar to those still in use among modern Inuit.[10] Genetic issuesSupporters of the Solutrean hypothesis had pointed to the presence of haplogroup X2, the global distribution of which is strongest in Anatolia and the northeast of America, a pattern they argue is consistent with their position. Michael Brown in a 1998 article identified this as evidence of a possible Caucasian founder population of early Americans spreading from the northeast coast.[11] However, a 2008 article in the American Journal of Human Genetics by researchers in Brazil took up the argument against the Solutrean hypothesis. "Our results strongly support the hypothesis that haplogroup X, together with the other four main mtDNA haplogroups, was part of the gene pool of a single Native American founding population; therefore they do not support models that propose haplogroup-independent migrations, such as the migration from Europe posed by the Solutrean hypothesis."[12] An article in the January 2012 issue of the American Journal of Physical Anthropology tends to argue against the Solutrean theory on genetic grounds. Researchers in Italy argued that the distinctively Asian C4c and the disputed X2a had "parallel genetic histories". The abstract of that article also states that "[t]he similarities in ages and geographical distributions for C4c and the previously analyzed X2a lineage provide support to the scenario of a dual origin for Paleo-Indians. Taking into account that C4c is deeply rooted in the Asian portion of the mtDNA phylogeny and is indubitably of Asian origin, the finding that C4c and X2a are characterized by parallel genetic histories definitively dismisses the controversial hypothesis of an Atlantic glacial entry route into North America."[13] A 2014 genetic analysis published in the journal Nature reported that the DNA from a 24,000-year-old skeleton excavated in Eastern Siberia provided mitochondrial, Y chromosomal, and autosomal genetic evidence that suggests 14 to 38% of Native American ancestry originates from an ancient Western Eurasian population. The Mal'ta boy skeleton's mitochondrial genome belonged to mtDNA haplogroup U, which has also been found at high frequencies among Mesolithic European hunter-gatherers. The authors state that their findings have four implications, the third being that "such an easterly presence in Asia of a population related to contemporary western Eurasians provides a possibility that non-east Asian cranial characteristics of the First Americans derived from the Old World via migration through Beringia, rather than by a trans-Atlantic voyage from Iberia as proposed by the Solutrean hypothesis".[14] Haplogroup R1 (Y-DNA) is the second most predominant Y haplotype found among indigenous Amerindians after Q (Y-DNA).[15] The distribution of R1 is believed associated with the re-settlement of Eurasia following the Wisconsin glaciation. One theory put forth is that it entered the Americas with the initial founding population.[16] A second theory is that it was introduced during European colonization.[15] R1 is very common throughout all of Eurasia except East Asia and Southeast Asia. R1 (M173) is found predominantly in North American groups like the Ojibwe (79%), Chipewyan (62%), Seminole (50%), Cherokee (47%), Dogrib (40%) and Tohono O'odham (Papago) (38%).[15]In 2014, the autosomal DNA of a 12,500+-year-old infant from Montana was sequenced.[17] The DNA was taken from a skeleton referred to as Anzick-1, found in close association with several Clovis artifacts. Comparisons showed strong affinities with DNA from Siberian sites, and the report stated that "In agreement with previous archaeological and genetic studies our genome analysis refutes the possibility that Clovis originated via a European (Solutrean) migration to the Americas." The DNA also showed strong affinities with all existing Native American populations, which indicated that all of them derive from an ancient population that lived in or near Siberia, the Upper Palaeolithic Mal'ta population.[18] Anzick-1 Y-haplogroup is Q. A 2015 re-evaluation of the DNA evidence states that "X2a has not been found anywhere in Eurasia, and phylogeography gives us no compelling reason to think it is more likely to come from Europe than from Siberia. Furthermore, analysis of the complete genome of Kennewick Man, who belongs to the most basal lineage of X2a yet identified, gives no indication of recent European ancestry and moves the location of the deepest branch of X2a to the West Coast, consistent with X2a belonging to the same ancestral population as the other founder mitochondrial haplogroups. Nor have any high-resolution studies of genome-wide data from Native American populations yielded any evidence of Pleistocene European ancestry or trans-Atlantic gene flow."[19] Other issuesThe Solutrean hypothesis is challenged by large gaps in time between the Clovis and Solutrean eras, a lack of evidence of Solutrean seafaring, lack of specific Solutrean features and tools in Clovis technology, the difficulties of the route and other issues.[20][21] Arthur J. Jelinek, an anthropologist who took note of similarities between Solutrean and Clovis styles in a 1971 study, observed that the great geographical and temporal separation of the two cultures made a direct connection unlikely, since the dates of the proposed transitional sites and the Solutrean period in Europe only overlap at the extremes. He also argued that crossing the Atlantic with the means available at the time would have been difficult, if not impossible. The opinion is shared by Lawrence G. Straus, who wrote that "there are no representations of boats and no evidence whatsoever either of seafaring or of the ability to make a living mainly or solely from the ocean during the Solutrean".[20] Straus excavated Solutrean artifacts along what is now a coastline in Cantabria, which was some ways inland during the Solutrean epoch. He found seashells and estuarine fish at the sites, but no evidence that deep sea resources had been exploited. Advocates state that the historic coastlines of western Europe and eastern North America during the Last Glacial Maximum are now under water and thus, evidence of Solutrean-era seafaring may have been obliterated or submerged. Another challenge to the hypothesis involves the paucity of non-technological evidence of a kind we would expect to find transmitted from east to west; cave paintings of a kind associated with the Cave of Altamira in Spain, for instance, are without close parallel in the New World.[22] In response, Bradley and Stanford contend that it was "a very specific subset of the Solutrean who formed the parent group that adapted to a maritime environment and eventually made it across the north Atlantic ice-front to colonize the east coast of the Americas" and that this group may not have exhibited the full range of Solutrean cultural traits.[23] A carved piece of bone depicting a mammoth found near the Vero man site in Florida was dated between 20,000–13,000 BP. It is described as possibly being the oldest art object yet found in the Americas and may provide some evidence for the Solutrean hypothesis.[24] Art historian Barbara Olins has compared the Vero carving to "Franco-Cantabrian" drawings and engravings of mammoths. She notes that the San of southern Africa developed a realistic manner of representing animals similar to the "Franco-Cantabrian" style, hinting that such a style could have evolved in North America independently.[25] A 2008 study of relevant oceanographic data from the time period in question, co-authored by Kieran Westley and Justin Dix, concluded, however, that "it is clear from the paleoceanographic and paleo-environmental data that the Last Glacial Maximum in the North Atlantic does not fit the descriptions provided by the proponents of the Solutrean Atlantic Hypothesis. Although ice use and sea mammal hunting may have been important in other contexts, in this instance, the conditions militate against an ice-edge-following, maritime-adapted European population reaching the Americas."[21] Relying on the location of the ice shelf at the time of the putative Atlantic crossing, they are skeptical that a transoceanic voyage to North America, even allowing for the judicious use of glaciers and ice floes as temporary stopping points and sources of fresh water, would have been feasible for people from the Solutrean era. Stanford and Bradley's 2012 book Across Atlantic Ice: The Origin of America's Clovis Culture expands upon and revises earlier formulations of the Solutrean Hypothesis.[26] The book received significant media attention, but evaluations of the evidence by professional archaeologists find the book unconvincing. The radiocarbon dates from purported pre-Clovis archaeological sites presented by Stanford and Bradley are consistently earlier in North America, pre-dating Solutrean culture in Europe by 5–10 thousand years.[27] In 1970 a stone tool, a biface hand axe, which was later suggested by Stanford and Bailey to resemble Solutrean stone tools was dredged up by the trawler Cinmar off the east coast of Virginia in an area that would have been dry land prior to the rising sea levels of the Pleistocene Epoch. The tool was allegedly found in the same dredge load that contained a mastodon's remains. The mastodon tusks were later dated at 22,000 years old.[28] In addition several archaeological sites on the Delmarva peninsula with suggestive, but not definitive, dating between 16,000 and 18,000 years have been discovered by Darrin Lowery of the University of Delaware. These factors led Stanford and Bradley to reiterate in 2014 their academic advocacy of pre-Clovis peoples in North America and their possible link to paleolithic Europeans.[27][28] There are two basic points of contention concerning the Cinmar biface. One is whether its association with the mastodon remains is meaningful, and the other relates to the statement by Stanford and Bradley that the biface is pre-Late Glacial Maximum (LGM) and could not be Late Prehistoric, stating that they rejected that possibility "through an extensive evaluation of collections from the eastern seaboard in which no similar bifaces were identified from any post-LGM context".[29] A report in the January 2015 issue of American Antiquity reviewed the literature and concluded "that the dual claims that such point forms are both rare and do not date to post-LGM contexts cannot be sustained".[29] The same report also examined the 13 artifacts claimed to be older than 22,000 BP, finding they were "indistinguishable from visually identical bipoints from Holocene contexts across the eastern seaboard", and concluding, "The widespread distribution of these points, their well-established chronological and culture-historical associations, and the reported association with marine/deep-sea exploitation leads us to conclude that there is no reason to consider bi-points from the Delmarva Peninsula, New England, the Continental Shelf—or indeed anywhere in eastern North America—as necessarily derived from Solutrean culture or as necessarily being 'older than Clovis' much less a distinct pre-Clovis 'cultural pattern'."[29] Political controversySimilar to the controversy surrounding Kennewick Man, the Solutrean hypothesis also became politicized in the 2010s. Reports claimed that it had attracted the support of white supremacy groups, interpreting the theory to the effect that the "original inhabitants of the Americas" were "white Europeans", "the Solutreans", and that the present-day Native Americans (Indians) are the descendants of "later immigrants" from Asia.[30][31] A Canadian Broadcasting Corporation documentary in January 2018 was widely criticized by scientists and Native Americans for its uncritical presentation of the Solutrean hypothesis.[32] See also
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Exploring the Solutrean-Clovis 'connection' |journal=World Archaeology |date=December 2005 |volume=37 |issue=4 |pages=507–532 |doi=10.1080/00438240500395797 |url=http://smu.edu/anthro/faculty/dMeltzer/pdf%20files/World_Archaeology_2005_Ice_Age_Atlantis.pdf |deadurl=yes |archiveurl=https://web.archive.org/web/20110124211655/http://smu.edu/anthro/faculty/dmeltzer/pdf%20files/World_Archaeology_2005_Ice_Age_Atlantis.pdf |archivedate=2011-01-24|df=|citeseerx=10.1.1.691.3714 }} 23. ^{{cite journal |last1=Bradley |first1=Bruce |last2=Stanford |first2=Dennis |title=The Solutrean-Clovis connection: reply to Straus, Meltzer and Goebel |journal=World Archaeology |date=December 2006 |volume=38 |issue=4 |pages=704–714 |doi=10.1080/00438240601022001}} 24. ^{{cite web |last=Viegas |first=Jennifer |date=22 June 2011 |title=Earliest Mammoth Art: Mammoth on Mammoth |url=http://news.discovery.com/history/earliest-american-art-mammoth-110622.html |publisher=Discovery News |accessdate=23 June 2011 |archive-url=https://web.archive.org/web/20121109153948/http://news.discovery.com/history/earliest-american-art-mammoth-110622.html |archive-date=2012-11-09 |dead-url=yes}} 25. ^{{cite web |last=Alpert |first=Barbara Olins |date=September 2010 |title=A context for the Vero Beach Engraved Mammoth or Mastodon |url=http://blogs.univ-tlse2.fr/palethnologie/wp-content/files/2013/fr-FR/version-longue/articles/AMN10_Alpert.pdf |work=Pleistocene Art of the Americas (Pre-Acts) |publisher=IFRAO Congress 2010 |accessdate=2011-06-24}} 26. ^{{cite book |last1=Stanford |first1=Dennis J. |last2=Bradley |first2=Bruce |year=2012 |title=Across Atlantic Ice: The Origin of America's Clovis Culture |location=Berkeley |publisher=University of California Press}} 27. ^1 2 {{cite journal |last1=O'Brien |first1=Michael J. |last2=Boulanger |first2=Matthew T. |last3=Collard |first3=Mark |last4=Buchanan |first4=Briggs |last5=Tarle |first5=Lia |last6=Straus |first6=Lawrence G. |last7=Eren |first7=Metin I. |display-authors=1 |title=On thin ice: problems with Stanford and Bradley's proposed Solutrean colonisation of North America |url=https://www.academia.edu/5119515 |journal=Antiquity |date=2 January 2015 |volume=88 |issue=340 |pages=606–613 |doi=10.1017/S0003598X0010122X}} 28. ^1 {{cite web |last=Ghose |first=Tia |date=11 August 2014 |title=Fisherman Pulls Up Beastly Evidence of Early Americans |url=http://www.livescience.com/47289-mastodon-found-under-chesapeake-bay.html |website=Livescience.com}} 29. ^1 2 {{cite journal |last1=Boulanger |first1=Matthew T. |last2=Eren |first2=Metin I. |title=On the Inferred Age and Origin of Lithic Bi-Points from the Eastern Seaboard and their Relevance to the Pleistocene Peopling of North America |journal=American Antiquity |date=20 January 2017 |volume=80 |issue=1 |pages=134–145 |doi=10.7183/0002-7316.79.4.134134 |url=https://www.researchgate.net/publication/263808760 |accessdate=18 January 2016}} 30. ^{{cite book | last1=Gnecco |first1=Cristobal | last2=Lippert | first2=Dorothy |date=2015 | title=Ethics and Archaeological Praxis |pages=185–186 | publisher=Springer}} 31. ^{{cite web |last=Becky Wragg |first=Sykes |date=21 December 2016 |title=Why archaeology needs to come out of the cave and into the digital age |url=https://www.theguardian.com/science/blog/2016/dec/21/why-archaeology-needs-to-come-out-of-the-cave-and-into-the-digital-age |website=The Guardian}} 32. ^{{cite web |title=Director defends documentary that claims Europeans could have been lst humans in North America |url=http://www.cbc.ca/radio/asithappens/as-it-happens-friday-edition-1.4484878/director-defends-documentary-that-claims-europeans-could-have-been-1st-humans-in-north-america-1.4484883 |publisher=CBC Radio |accessdate=12 February 2018}} Further reading
|last1=Greenman |first1=E. F. |title=The Upper Palaeolithic and the New World |journal=Current Anthropology |date=February 1963 |volume=4 |issue=1 |pages=41–91 |doi=10.1086/200337 }}
|last=Hibben |first=Frank C. |author-link=Frank C. Hibben |year=1958 |title=Prehistoric Man in Europe |location=Norman |publisher=University of Oklahoma Press }}
|last=Jablonski |first=Nina G. |year=2002 |title=The First Americans: The Pleistocene Colonization of the New World |publisher=University of California Press }}
|last1=Reidla |first1=Maere |last2=Kivisild |first2=Toomas |last3=Metspalu |first3=Ene |last4=Kaldma |first4=Katrin |last5=Tambets |first5=Kristiina |last6=Tolk |first6=Helle-Viivi |last7=Parik |first7=Jüri |last8=Loogväli |first8=Eva-Liis |last9=Derenko |first9=Miroslava |last10=Malyarchuk |first10=Boris |last11=Bermisheva |first11=Marina |last12=Zhadanov |first12=Sergey |last13=Pennarun |first13=Erwan |last14=Gubina |first14=Marina |last15=Golubenko |first15=Maria |last16=Damba |first16=Larisa |last17=Fedorova |first17=Sardana |last18=Gusar |first18=Vladislava |last19=Grechanina |first19=Elena |last20=Mikerezi |first20=Ilia |last21=Moisan |first21=Jean-Paul |last22=Chaventré |first22=André |last23=Khusnutdinova |first23=Elsa |last24=Osipova |first24=Ludmila |last25=Stepanov |first25=Vadim |last26=Voevoda |first26=Mikhail |last27=Achilli |first27=Alessandro |last28=Rengo |first28=Chiara |last29=Rickards |first29=Olga |last30=De Stefano |first30=Gian Franco |last31=Papiha |first31=Surinder |last32=Beckman |first32=Lars |last33=Janicijevic |first33=Branka |last34=Rudan |first34=Pavao |last35=Anagnou |first35=Nicholas |last36=Michalodimitrakis |first36=Emmanuel |last37=Koziel |first37=Slawomir |last38=Usanga |first38=Esien |last39=Geberhiwot |first39=Tarekegn |last40=Herrnstadt |first40=Corinna |last41=Howell |first41=Neil |last42=Torroni |first42=Antonio |last43=Villems |first43=Richard |display-authors=1 |date=November 2003 |title=Origin and Diffusion of mtDNA Haplogroup X |journal=The American Journal of Human Genetics |volume=73 |issue=5 |pages=1178–1190 |doi=10.1086/379380 |pmc=1180497 |pmid=14574647 }}
|last1=Stanford |first1=Dennis |last2=Bradley |first2=Bruce |year=2002 |chapter=Ocean Trails and Prairie Paths? Thoughts About Clovis Origins |editor-last=Jablonski |editor-first=Nina G. |title=The First Americans: The Pleistocene Colonization of the New World |series=Memoirs of the California Academy of Sciences |volume=27 |pages=255–271 |location=San Francisco }}
|last=Strauss |first=Lawrence Guy |display-authors=etal |year=1990 |chapter=The Last Glacial Maximum in Cantabrian Spain: the Solutrean |editor-last1=Soffer |editor-first1=Olga |editor-last2=Gamble |editor-first2=Clive |title=The World at 18,000 BP: Volume 1, High Latitudes |pages=89–108 |publisher=Unwin Hyman |isbn=9780044451273 }} External links
6 : Archaeological theory|Clovis culture|Peopling of the Americas|Pre-Columbian trans-oceanic contact|Stone Age Europe|Upper Paleolithic |
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