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TRÖSSLA, EFTERUNDERSÖKNING AV EN GRUSTAGEN TRATTBÄGARBOPLATS I ÖSTRA SÖDERMANLAND Överåda 3:1, RAÄ nr 270 Trosa -Vagnhärad socken, Södermanland Av Fredrik Hallgren Med bidrag av Helena Knutsson och Ylva Bäckström <strong>SAU</strong> Rapport <strong>2004</strong>:7
INNEHÅLLSFÖRTECKNING INNEHÅLLSFÖRTECKNING.................................................................................................................2 Inledning........................................................................................................................................................... 4 Om platsen....................................................................................................................................................... 6 Topografi......................................................................................................................................................8 Fornlämningsmiljö, tidigneolitikum i östra Södermanland................................................................12 Frågeställningar och målsättning............................................................................................................15 Undersökningen............................................................................................................................................ 16 Ytfyndsinventering och kartering...........................................................................................................16 Rutgrävning och handgrävda schakt......................................................................................................16 Anläggningar..............................................................................................................................................20 14C-datering ..................................................................................................................................................22 Fynd.................................................................................................................................................................25 Keramik...................................................................................................................................................... 25 Sten..............................................................................................................................................................31 Brända ben och arkeobotaniskt material.............................................................................................. 35 Fyndens rumsliga spridning.................................................................................................................... 36 Spånet från Trössla....................................................................................................................................... 43 Karaktäristiska teknologiska drag...........................................................................................................43 Bruksskadeanalys kort sammanfattat.....................................................................................................44 Vad berättar detta om spånets tillverkning?......................................................................................... 45 Vad kan vi säga om spånets användning...............................................................................................50 Vad kan vi säga om spånets kultur eller tidstillhörighet?................................................................... 50 Osteologisk analys.........................................................................................................................................52 Material....................................................................................................................................................... 52 Metod..........................................................................................................................................................53 Resultat....................................................................................................................................................... 53 Osteologisk bedömning...........................................................................................................................54 Sammanfattning av den osteologiska analysen.................................................................................... 58 Sammanfattande diskussion........................................................................................................................ 59 Referenser.......................................................................................................................................................64 Tekniska och administrativa uppgifter.......................................................................................................69 Bilagor............................................................................................................................................................. 70 - 2 -
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