Research Article

X-Ray Computed Tomography Analysis of Sajau Coal, Berau Basin, Indonesia: 3D Imaging of Cleat and Microcleat Characteristics

Figure 4

Slice image of SH-101A (-axis direction), illustrating the CT cleat image (c), cleat interpretation and orientation (a), and Schmidt lower hemisphere equal projection net of cleats orientation relationships (b), showing that has NE-SW direction and its scale bar is 10 mm. Two cleat orientations have been identified, that is, NNE-SSW direction (red color) and NW-SE direction (blue color). The cleats with NNE-SSW direction are abutting in the NE-SW cleats.
(a)
(b)
(c)