Reservoir Characterization via Geochemistry.: A cross-section of rock formations, likely from an oil or gas reservoir. The layers are stacked horizontally, with each layer having distinct characteristics such as color and texture. The colors used in the image are predominantly blue, orange, yellow, gray, and black. The dominant colors are blue and orange, which suggest that these rocks may be rich in minerals like iron oxide or other metal oxides. The text content is not visible in this image. Based on the visual representation of the rock layers, it can be inferred that this reservoir has undergone significant geological processes, including sedimentation, compaction, and deformation. The presence of different colored layers indicates a complex history of deposition and erosion. This image could serve as a page title: 'Reservoir Characterization via Geochemistry'.