Fig. 2 in Recurrent volcanic activity recorded in araucarian wood from the Lower Cretaceous Springhill Formation, Patagonia, Argentina: Palaeoenvironmental interpretations

Fig. 2. Outcrops of the Springhill Formation in the Estancia El Álamo locality. A. Panoramic view of the Springhill Formation outcrop overlying the El Quemado Complex. B. Polymictic conglomerate beds with a sandstone bed intercalation, Springhill Formation. C. Detail of the polymictic conglomerate with siliceous (S) and volcanic (V) clasts. D. Pyroclastic (P) and siliceous (S) clasts in the conglomerate.图2 埃斯坦西亚·埃尔·阿拉莫（Estancia El Álamo）产地的斯普林希尔地层（Springhill Formation）露头。A. 覆于埃尔·克马多杂岩（El Quemado Complex）之上的斯普林希尔地层露头全景。B. 斯普林希尔地层中夹有砂岩岩层的复成分砾岩（polymictic conglomerate）岩层。C. 含硅质（S）与火山质（V）岩屑的复成分砾岩细节。D. 砾岩中的火山碎屑（pyroclastic）岩屑（P）与硅质（S）岩屑。