POLLEN GRAIN and SPORES BIOSTRATIGRAPHY
Quantitative (counting up to 150 specimens) or semi-quantitatives analyses.
From Mesozoic to Cenozoic, everywhere in the world.
High-quality biostratigraphy based on the global and regional biostratigraphic charts and our global database.
Paleoenvironment, paleoclimate and paleoaltitudes reconstructions
MESOZOIC TAXA
example from Mongolia
Selected Mesozoic taxa:
1-2. Aequitriradites verrucosus, 3. Aequitriradites spinolosus, 4-6. Pilosisporites trichopapillus, 7. Cyanthidites australis, 8-9. Concavissimisporites verrucosm , 10-11. Triporoletes reticulatus, 12. Cicatricosisporites tersa, 13. Cicatricosisporites sp., 14. Cicatricosisporites australiensis, 15. Alisporites australis, 16. Cicatricosisporites australiensis & Alisporites australis, 17. Cedripites sp., 18. Schizosporites reticulatus.
Biostratigraphy – selected sample
The interpretation is based on scientific literature and biostratigraphy databases of the company.
PLIO-PLEISTOCENE DATA
DSDP Site 380 Black Sea
Biostratigraphy of the last 5 Ma of Site 380A (Black Sea) based on palynology and calcareous nannoplankton records
Botanical identification: exemple Taxodiaceae
1. Pollen grain from Site 380 (448 m depth): a, General view showing the papilla (2000); b, Detail of the sculpture in the papilla area (6000). 2. Pollen grain from Site 380 (448 m depth): a, General view (2000); b, Detail of the sculpture (12000). 3 – 4. Two modern pollen grains of Glyptostrobus pensilis (Staunton ex D. Don) K. Koch, originating from China (Herbarium of the Sun Yat-sen University, Guangzhou; sample number: 28781; originating from the Herbarium of the Lingnam University, China): 3a, General view (2000); 3b, Detail of the sculpture (12000); 4a, General view of another grain (2000); 4b, Detail of its sculpture (12000).
Popescu et al., 2010, Quaternary International, 219 (1), 152-168.