diagram of planet saturn with quarter of sphere removed to reveal subterranean layers, front view. - 地殼 幅插畫檔、美工圖案、卡通及圖標
cross section of planet earth showing the upper mantle, made by magnesium, iron, aluminum, silicon and oxygen. temperature 700 - 1300ãæã¢â¬å¡ãâãâ¡ celsius. - 地殼 幅插畫檔、美工圖案、卡通及圖標
geology diagram, thinning out and overlap, vintage illustration, 19th century, victorian - 地殼 幅插畫檔、美工圖案、卡通及圖標大自然
geology diagram, unconformable strata are geological layers that are not parallel, indicating a gap in the rock record caused by a period of erosion or non-deposition, vintage illustration, 19th century, victorian - 地殼 幅插畫檔、美工圖案、卡通及圖標復古風格