TABLE 1 in The Middle Paleolithic quartz assemblage from Gruta da Figueira Brava (Portugal)

TABLE 1. — Composition of the studied stone tool assemblage. “Others” includes lydite (N = 1), rhyolite (N = 1), and jasper (N = 1). CoresFlakesToolsDebrisHammerstones/AnvilsManuportsTotalFB2QuartzN26547–––87%24.1%50%6.5%–––80.6%FlintN–10–5––15%–9.3%–4.6%––13.9%QuartziteN221–––5%1.9%1.9%0.9%–––4.6%LimestoneN–––––––%–––––––OthersN––1–––1%––0.9%–––0.9%Total (N)286695––108Total (%)25.9%61.1%8.3%4.6%––100%FB3QuartzN53581213––136%32.5%35.6%7.4%8.0%––83.4%FlintN164––11%0.6%3.7%2.5%––6.7%QuartziteN421––18%2.5%1.2%0.6%––0.6%4.9%LimestoneN–1–––23%–0.6%–––1.2%1.8%OthersN13–––15%0.6%1.8%–––0.6%3.1%Total (N)59701317–4163Total (%)36.2%42.9%8.0%10.4%–2.5%1005FB4QuartzN193354962995686%23.6%43.3%11.7%3.5%1.1%0.6%83.9%FlintN851317––79%1.0%6.2%0.4%2.1%––9.7%QuartziteN11522––20%0.1%1.8%0.2%0.2%––2.4%LimestoneN59–––418%0.6%1.1%–––0.5%2.2%OthersN–1023––15%–1.2%0.2%0.4%––1.8%Total (N)2074391035199818Total (%)25.3%53.7%12.6%6.2%1.1%1.1%100%Uncertain Quartz221–––5AllTotal (N)296577126739131094Total (%)27.1%52.7%11.5%6.7%0.8%1.2%100%