Figure 1-8. SEM image of columnar calcite (C) in a stalagmite from Carlsbad Caverns. Growth direction is to left.      Scanning electron microscope secondary electron image generated with a 5 keV acccelerating voltage; white scale bar at lower right is 5 microns long. Georgia Giant speleothem, Carlsbad Caverns, New Mexico, U.S.A; Sample CB69. Sample collected by Dr. George A. Brook; image generated with the kind help of Dr. John P. Shields of the University of Georgia Center for Advanced Ultrastructural Research.
	Back to the Table of Contents of the Atlas of Speleothem Microfabrics.