The Cerro Cuadrado petrified forest /
Wieland, G. R.(George Reber),1865-1953.
[Washington, D.C.] : Carnegie Institution of Washington,
1935.
Discovery and age -- Descriptions of species -- Petrified forests -- Chemistry of petrifaction. Brief bibliography of siliceous replacement (p. 68) -- Cone and flower -- Araucarian forests -- Conclusions -- Addenda -- Bibliography (p. 163-166).
Petrified forests.
Paleobotany
Conifers, Fossil.
Araucariaceae.
Petrifaction.