This is a vintage geological diagram titled "SECTION of the TYROLESE ALPS." It depicts a cross-section of a mountain range, showcasing the different layers of rock formations. The diagram is rendered in a style typical of 19th-century scientific illustrations, with color washes and hand-lettered labels. The mountain range is represented by jagged peaks and sloping sides, with distinct layers of rock visible. The layers are color-coded to indicate different geological formations. From top to bottom, the layers consist of: * **Shell Limestone:** A light beige color, forming the highest peaks. * **Dolomite:** A light orange color, forming a significant portion of the mountain's structure. * **Gypsum:** A pale yellow color, appearing as inclined layers within the dolomite. * **Red Sandstone:** A reddish-brown color, forming a lower layer. * **Basalt:** A dark gray color, forming the base of the mountains. * **Porphyry:** A light blue color, forming the foundation beneath the basalt. The diagram is labeled with the names of the rock formations, written in a neat, cursive script. The labels are positioned alongside the corresponding layers. The diagram is set against a pale yellow background. The overall impression is one of scientific precision and artistic detail.