In the desert areas of Namibia, Oman, and Saudi Arabia, research work has revealed unusual structures that are probably due ...
C. W. Passchier et al., Subfossil Fracture-Related Euendolithic Micro-burrows in Marble and Limestone, Geomicrobiology Journal, 27 February 2025, DOI: 10.1080/01490451.2025.2467417 ...
The Hildreths paused to note places where delicate fossils of prehistoric sea snails remain etched in limestone boulders. The ninety-minute tour took us to two sites within close proximity ...
Where limestone lies on top of an impermeable rock along a valley there can be several springs formed along the intersection of the two rocks. This is a spring line. The ice sheet which covered ...