SUPPLEMENTAL MATERIAL FOR:

Ketcham, R.A., Meth, C., Hirsch, D. and Carlson, W.D. (in review) Improved methods for quantitative analysis of three-dimensional porphyroblastic textures. Submitted to Geosphere, December 2004.

PM1
FOV = 22 mm
Inter-slice = 56.6 µm

PM2
FOV = 34.2 mm
Inter-slice = 74.4 µm
PM4
FOV = 46 mm
Inter-slice = 53.4 µm
WR1
FOV = 26 mm
Inter-slice = 71.9 µm
WR3
FOV = 26 mm
Inter-slice = 71.9 µm
MD
FOV = 128 mm
Inter-slice = 500 µm

Slice Data

256x256; 3.7 MB
512x512; 11.8 MB
256x256; 1.9 MB
512x512; 8.0 MB
256x256; 2.5 MB
512x512; 9.1 MB
256x256; 2.6 MB
512x512; 9.0 MB
256x256; 0.7 MB
512x512; 2.2 MB
3D Visualization
800x700; 18.1 MB

Cylinder
11.3 mm high
22 mm diameter
488x740; 17.2 MB

Block
1.9 x 2.5 x 4.6 mm
684x560; 4.6 MB

Cylinder
21.4 mm high
46 mm diameter
600x600; 7.8 MB

Cylinder
30.2 mm high
26 mm diameter
600x600; 7.5 MB
Spin: 9.4 MB
Cylinder
28.8 mm high
26 mm diameter
256x256; 2.5 MB
512x512; 7.5 MB
Solid
~120 mm high
~120 mm wide

FOV = CT image field of view; Inter-slice = Distance between CT slice planes.

3D visualizations made using volume rendering, in which each voxel in a data set is assigned a color and an opacity; the latter allows some parts of the specimens to be made transparent, allowing internal features to be viewed.