Results 51 to 60 of about 25,557 (227)
Plant Diversity, 2023 Ten palm leaf impressions are documented from the latest Maastrichtian (late Cretaceous) to early Danian (earliest Paleocene) sediments (K-Pg, c. 66–64 Ma) of the Mandla Lobe of the Deccan Inter-trappean Beds, Madhya Pradesh, central India.
Sanchita Kumar +6 more
doaj +1 more source
Palynostratigraphy and palynofacies of the early Eocene Gurha lignite mine, Rajasthan, India [PDF]
, 2016 A 105 m early Eocene section exposed in the Gurha mine in the Nagaur-Ganganagar Basin, Rajasthan, India, archiving remains of equatorial vegetation at a time of extreme global warmth and close to the onset of the India-Eurasia collision, is investigated ...
Aggarwal +50 more
core +1 more source
Paleoecología ecológica: Un eslabón perdido entre ecología y evolución
Collectanea Botanica, 2014 La paleoecología es más que una disciplina ambiental, ya que proporciona las evidencias empíricas necesarias para verificar hipótesis ecológicas y contribuye a una mejor comprensión de la interfase ecología-evolución.
V. Rull
doaj +1 more source
A seasonality trigger for carbon injection at the Paleocene–Eocene Thermal Maximum [PDF]
Climate of the Past, 2014 The Paleocene–Eocene Thermal Maximum (PETM) represents a ~170 kyr episode of anomalous global warmth ~56 Ma ago. The PETM is associated with rapid and massive injections of 13C-depleted carbon into the ocean–atmosphere system reflected as a prominent ...
J. S. Eldrett +4 more
doaj +1 more source
Spatially Aware Dictionary Learning and Coding for Fossil Pollen Identification
, 2016 We propose a robust approach for performing automatic species-level recognition of fossil pollen grains in microscopy images that exploits both global shape and local texture characteristics in a patch-based matching methodology.
Fowlkes, Charless +2 more
core +1 more source
Nueva información palinológica sobre la Formación Poti (Viseano superior) en el arroyo Roncador, Cuenca Parnaíba, noreste de Brasil [PDF]
, 2014 Se presenta el resultado del análisis palinológico de seis muestras de superficie de la Formación Poti expuesta en el arroyo Roncador (Jerumenha, Piauí), noreste de Brasil.
Di Pasquo Lartigue, Maria, Iannuzzi, R.
core +1 more source
Impact of earthquakes on agriculture during the Roman–Byzantine period from pollen records of the Dead Sea laminated sediment [PDF]
, 2010 The Dead Sea region holds the archives of a complex relationship between an ever-changing nature and ancient civilisations. Regional pollen diagrams show a Roman–Byzantine period standing out in the recent millennia by its wetter climate that allowed ...
Amiran +24 more
core +1 more source
The Depositional Record, Volume 12, Issue 1, February 2026.This study characterises carbonate mineral precipitation mechanisms and their paleoenvironmental implications in a semi‐arid, saline playa lake system. SEM image with EDS spectra shows microcrystalline, spherical shaped dolomite crystals from Laguna Fuente de Piedra composed of nanocrystals with bacterial voids and EPS.
Zeina Naim +5 more
wiley +1 more source
Preliminary study of the airborne pollen in the atmosphere of Puerto Ayora (Galapagos Islands, Ecuador) [PDF]
, 2017 Galapagos is an archipelago of volcanic islands located 972 km west from the continental Ecuador. They were declared by the UNESCO as a World Heritage Site and Biosphere Reserve due to their singular environmental value, where a third part of the ...
Jaramillo Díaz, Patricia +3 more
core
The Depositional Record, Volume 12, Issue 1, February 2026.The cyclical nature of aridity and humidity led to the alternating deposition of dolomite‐rich and calcite‐rich sediments. During arid phases, the lake hydrology and growth of microbial mats under evaporative and hypersaline environment favors the precipitation of dolomite.
Guolai Li +6 more
wiley +1 more source