by Gelogia Team | Mar 1, 2025 | Historical Geology
The Cenozoic succession of Bangladesh has been differentiated into a number of biostratigraphic units, viz., assemblage zone based on first assemblage demarcation (FAD) line, last assemblage demarcation (LAD) line, acme, and ranges of various marker palynotaxa in the...
by Gelogia Team | Feb 28, 2025 | Historical Geology
Depending on the geomorphological features, the coastal region of Bangladesh can broadly be divided into the following three regions: The Eastern Region: The eastern coastline of Bangladesh, from the big Feni River to Badar Mokam (the southern tip of the mainland)...
by Gelogia Team | Feb 27, 2025 | Paleontology
Radiolaria: Radiolaria are free-floating protists with roughly spherical cells and thread-like pseudopodia extending radially over a delicate endoskeleton. Moder Radiolarians are marine with representatives in Cambrian times. Radiolarians provide the most useful data...
by Gelogia Team | Feb 26, 2025 | Paleontology
Applications of palynology: Biostratigraphy & geochronology: Geologists use palynological studies in biostratigraphy to correlate strata & determine the relative age of given bed or stratigraphic sequences. Paleoecology & climate change: Reconstructing...
by Gelogia Team | Feb 25, 2025 | Physical Geology & Geomorphology
Modes of transportation: There are three modes of transportation of sedimentary particles: Traction Siltation Suspension Traction: Commonly, sediment grains larger than sand size are transported as part of the bed load in essentially continuous contact with the bed....