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Figure 4 | Geochemical Transactions

Figure 4

From: Rare earth element geochemistry of outcrop and core samples from the Marcellus Shale

Figure 4

Summary of semi-quantitative XRD analysis of samples in this study. Outcrop samples are denoted by their location and core samples as “C-depth below ground surface”. Sample “1-DGLS” is a core sample, but was collected from an unspecified depth. Additional information regarding these samples is found in Additional file 1: Table S1. (Top) Example diffraction patterns with major matched peaks for two samples. (Bottom) Heat map of semi-quantitative XRD analyses for samples in this study. Model spectra are referenced in Additional file 1: Table S4.

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