How Coal Forms and Coal Rank Diagrams
Copyright and Permission
The following diagrams are free to use for educational purposes. These images were created by Stephen Greb, Kentucky Geological Survey, University of Kentucky. Please cite if using in a presentation or publication. We would appreciate it if you could e-mail KGS to inform us of the use of the images. Please contact KGS for permission to use for other purposes.
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Greb, S. F., 2009, Coal formation diagram: Lateral layout with coal types: Kentucky Geological Survey website [Accessed on 28, 04, 2025]. https://www.uky.edu/KGS/coal/coal-diagram-download.php. Medium Resolution 1.14 mb High Resolution 2.21 mb -
Greb, S. F., 2009, Coal formation diagram: Lateral layout with coal types: Kentucky Geological Survey website [Accessed on 28, 04, 2025]. https://www.uky.edu/KGS/coal/coal-diagram-download.php. Medium Resolution 1.05 mb High Resolution 2.12 mb
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Greb, S. F., 2016, Coal formation diagram: Lateral blocks: Kentucky Geological Survey website [Accessed on 28, 04, 2025]. https://www.uky.edu/KGS/coal/coal-diagram-download.php. Medium Resolution 1.09 mb High Resolution 2.08 mb -
Greb, S. F., 2016, Coal formation diagram: Lateral blocks: Kentucky Geological Survey website [Accessed on 28, 04, 2025]. https://www.uky.edu/KGS/coal/coal-diagram-download.php. Medium Resolution 1.1 mb High Resolution 2.09 mb
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Greb, S. F., 2016, Coal formation diagram: Vertical layout (text within): Kentucky Geological Survey website [Accessed on 28, 04, 2025]. https://www.uky.edu/KGS/coal/coal-diagram-download.php. Medium Resolution 0.97 mb High Resolution 1.75 mb -
Greb, S. F., 2016, Coal formation diagram: Vertical layout (text to side): Kentucky Geological Survey website [Accessed on 28, 04, 2025]. https://www.uky.edu/KGS/coal/coal-diagram-download.php. Medium Resolution 1.05 mb High Resolution 2.12 mb -
Greb, S. F., 2012, Coal formation diagram: Vertical blocks, burial, uplift and erosion: Kentucky Geological Survey website [Accessed on 28, 04, 2025]. https://www.uky.edu/KGS/coal/coal-diagram-download.php. Low Resolution 0.9 mb High Resolution 2.1 mb
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Greb, S. F., 2009, Underground and surface mining methods diagram: Kentucky Geological Survey website [Accessed on 28, 04, 2025]. https://www.uky.edu/KGS/coal/coal-diagram-download.php. Medium Resolution 0.96 mb High Resolution 1.49 mb