prehistoric technique of flintknapping, specifically the final shaping of a stone tool. - 火石 幅插畫檔、美工圖案、卡通及圖標
two specific geological materials—iron pyrites (left) and flint (right) found in the ash layers of ancient cave floors - 火石 幅插畫檔、美工圖案、卡通及圖標
senior man working on flints and hammer knapping - engraving from 19th century illustrated book - 火石 幅插畫檔、美工圖案、卡通及圖標
senior man working on flints and hammer flaking - engraving from 19th century illustrated book - 火石 幅插畫檔、美工圖案、卡通及圖標
senior man working on flints and hammer quartering - engraving from 19th century illustrated book - 火石 幅插畫檔、美工圖案、卡通及圖標
old antique chromolithograph of items related to the hallstatt culture, the predominant western and central european archaeological culture of the late bronze age (12th to 8th centuries bc) and early iron age europe (8th to 6th centuries bc) - 火石 個照片及圖片檔
old antique chromolithograph of items of the iron age (c. 1200 – c. 550 bc) the final epoch of the three historical metal ages, after the copper age and bronze age - 火石 個照片及圖片檔工具, 銅器時代, 歸檔
blue ice crystal sculptures on a reflective surface in a minimal abstract studio setting - 火石 個照片及圖片檔舞台, 清新, 立體
old engraved illustration of prehistoric tools, tools from the paleolithic period - flint axes and grinding stones - 火石 個照片及圖片檔工具
old engraved illustration of drilled stone hammers, stone axes and hammer axe. a comparative plate shows perforated hammerheads and axe forms - front and side. - 火石 個照片及圖片檔銅器時代
myophoria laevigata is an extinct species of fossilized bivalve mollusk from the triassic period - 火石 幅插畫檔、美工圖案、卡通及圖標
the fossil species, lima striata (plagiostoma striatum), is a fossil from the early jurassic period - 火石 幅插畫檔、美工圖案、卡通及圖標
avicula clarai is an extinct species of fossilized mollusk, specifically a bivalve, that lived in the triassic period - 火石 幅插畫檔、美工圖案、卡通及圖標
estheria minuta is a fossil species of a conchostracan, a type of bivalve-like crustacean - 火石 幅插畫檔、美工圖案、卡通及圖標
daonella lommeli is a species of fossilized marine bivalve mollusk from the middle to late triassic period - 火石 幅插畫檔、美工圖案、卡通及圖標
"ammonites cassianus" refers to ammonites, specifically species like tirolites cassianus, found in the cassian formation, which dates to the late triassic period - 火石 幅插畫檔、美工圖案、卡通及圖標雕刻圖像, 插圖, 復古風格
old engraved illustration of manufacture of flint implements by prehistoric man. workers knap large cores on flat stones while others strike, grind, and carry pieces in a rocky yard. - 火石 個照片及圖片檔插圖
old engraved illustration of examples of neolithic workmanship. stone axes - ireland - including a stone celt with handle - 火石 個照片及圖片檔
old engraved illustration of flint hatchet fitted with stag's horn handle. antler mounting is depicted with a transverse grip - sturdy prehistoric tool. - 火石 個照片及圖片檔
old engraved illustration of chipped flint arrowhead. triangular projectile point - pressure flaking, barb detail and sharp tip. - 火石 個照片及圖片檔