Skip to main content
    • by 
    •   15  
      GeologyGeochemistryPaleontologyGeobiology
    • by 
    •   17  
      GeologyGeochemistryIchnologyGlacial Geology
Copyright 2009, Society of Petroleum Engineers This paper was prepared for presentation at the 2009 SPE/EAGE Reservoir Characterization and Simulation Conference held in Abu Dhabi, UAE, 19–21 October 2009. This paper was selected for... more
    • by 
    •   20  
      GemologyGeologyGeochemistryGeomorphology
    • by  and +2
    •   37  
      GemologyGeologyGeochemistryGeomorphology
    • by 
    •   11  
      GeologyGeochemistryGeobiologyHydroxyapatite
    • by 
    •   19  
      HistoryAncient HistoryIntellectual HistoryPrehistoric Archaeology
    • by 
    •   12  
      GeologyGeochemistryEnvironmental microbiologyGeobiology
    • by 
    •   19  
      GeologyChinese StudiesChinese ReligionsGeobiology
Danigala Circular Rock is a unique shaped rock situated near Aralaganwila in the Polonnaruwa district. Ariel views of the rock show a unique semi-circular shape of it. There have been news of UFO sightings and alien activities in this... more
    • by 
    •   20  
      HistoryAncient HistoryPrehistoric ArchaeologyGeology
El Caminito del Rey (The King's Little Path) is a walkway, pinned along the steep walls of a narrow gorge in El Chorro, near Ardales in the province of Málaga, Spain. The name derives from the original name of Camino del Rey (King's... more
    • by 
    •   19  
      SpanishLandscape ArchaeologyGeobiologyCultural Landscapes
Computerized evaluation of Vibroseis similarity test data is the logical consequence of the increasing quality requirements for signal reproducibility and for synchronization of vibrators. The differences in start time and phase as well... more
    • by 
    •   31  
      GemologyGeologyGeochemistryGeomorphology
    • by 
    •   20  
      GemologyGeologyGeochemistryGeomorphology
    • by 
    •   3  
      GeologyGeobiologyCarbonate Sedimentology
    • by 
    •   20  
      GemologyGeologyGeochemistryGeomorphology
Shoreline and shelf-edge trajectories describe the migration through time of sedimentary systems, using geomorphological breaks-in-slope that are associated with key changes in depositional processes and products. Analysis of these... more
    • by 
    •   24  
      Earth SciencesGemologyGeologyGeochemistry
The 2.1-billion-year-old (Ga) Francevillian series in Gabon hosts some of the oldest reported macroscopic fossils of various sizes and shapes, stimulating new debates on the origin, evolution and organization of early complex life. Here,... more
    • by 
    •   4  
      GeologyGeochemistryGeobiologyEcology
    • by 
    • Geobiology
    • by  and +1
    •   8  
      GeologyGeochemistryGeobiologyEcology
The Middle Marker – horizon H1 of the Hooggenoeg Formation – is the oldest sedimentary horizon in the Barberton greenstone belt and one of the oldest sedimentary horizons on Earth. Herein, we describe a range of carbonaceous... more
    • by 
    •   3  
      GeobiologyArchean geologyMicrobial mats
    • by 
    •   36  
      GemologyGeologyGeochemistryGeomorphology
    • by 
    •   20  
      GeneticsEarth SciencesGemologyGeology
    • by  and +1
    •   23  
      GemologyGeologyGeochemistryGeomorphology
Phosphatized and silicified microfossils – preserved through replication of organic templates by authigenic calcium phosphate and silica, respectively – form through mechanistically similar mineralization processes but under notably... more
    • by  and +1
    •   11  
      PaleobiologyPaleontologySedimentologyGeobiology
    • by 
    •   24  
      Earth SciencesGemologyGeologyGeochemistry
    • by  and +1
    •   14  
      GeologyGeochemistryGeobiologyEcology
A simple filter is developed which transforms VLF-EM real magnetic field transfer functions into apparent resistivities. It is based on the relationship between the horizontal derivative of the surface electric field and the vertical... more
    • by 
    •   36  
      GemologyGeologyGeochemistryGeomorphology
    • by 
    •   5  
      GeologyGeochemistryGeobiologyEcology
Paleontological inferences, molecular clocks, and biomarker fossils indicate sponges evolved in the Cryogenian, but Precambrian sponge fossils are rare, poorly substantiated, and controversial. Spicule-like microstructures (SLMs) hosted... more
    • by 
    •   8  
      PaleobiologyPaleontologyGeobiologyTaphonomy
    • by 
    •   24  
      GemologyGeologyGeochemistryGeomorphology
    • by 
    •   4  
      GeologyGeochemistryGeobiologyEcology
    • by 
    •   20  
      GemologyGeologyGeochemistryGeomorphology
    • by 
    •   24  
      Earth SciencesGemologyGeologyGeochemistry
Hydrothermal black chert veins intruding the 3.46 Ga Apex Basalt contain some of Earth's oldest microfossil-like objects, whose biogenicity has been questioned. Whilst these black chert veins have been studied in great detail, relatively... more
    • by  and +1
    •   8  
      Earth SciencesGeologyGeobiologyAstrobiology
    • by 
    •   24  
      Earth SciencesGemologyGeologyGeochemistry
The name White Pocket actually refers to two areas. On the topo map there is a tall butte about 500 feet high that can be seen from miles around. I'll refer to this butte as the White Pocket Monolith or Butte. Conversely, photographers... more
    • by 
    •   19  
      Mythology And FolkloreHistoryFolkloreMolecular Biology
    • by  and +1
    •   24  
      Earth SciencesGemologyGeologyGeochemistry
The natural process Plasma makes up 99% of the universe. We on Earth, with solids, liquids and gases, are the exception. Plasma was the source and starting point for the evolution of our natural world. The source and starting point for... more
    • by 
    •   19  
      HistoryAncient HistoryPrehistoric ArchaeologyPhysics
    • by 
    •   9  
      GeologyGeochemistryGeobiologyCyanobacteria
The rise of multicellularity represents a major evolutionary transition and it occurred independently in multiple eukaryote clades. Although simple multicellular organisms may have evolved in the Mesoproterozoic Era or even earlier,... more
    • by  and +1
    •   18  
      PaleobiologyPaleontologyGeobiologyTaphonomy
    • by 
    •   14  
      GeobiologyEarthMarsArchean geology
    • by 
    •   9  
      GeologyGeochemistryBiofilmsGeobiology
    • by 
    •   24  
      Earth SciencesGemologyGeologyGeochemistry
    • by 
    •   20  
      GemologyGeologyGeochemistryGeomorphology
Geobiology And Magnetism - Correlations Between Tree_Bodies And Earth's Energy Grid Pattern Leylines
    • by 
    •   19  
      MagnetohydrodynamicsNordic HistoryGeobiologyMagnetoencephalography
Breves apuntes y antiguas referencias sobre la distribución histórica del oso pardo en Extremadura
    • by 
    •   6  
      GeobiologyOso pardoExtremaduraUrsus Arctos
Etymology : From Middle English born or a dialectal variant of 'burn with fire'. According to a danish dictionary on etymology ("Etymologi. Ordenes historie. Gyldendals Røde Ordbøger. Copenhagen, 1989) Is it correct to identify... more
    • by 
    •   19  
      HistoryAncient HistoryMarine BiologyGeobiology
    • by 
    •   22  
      GemologyGeologyGeochemistryGeomorphology
    • by 
    •   5  
      GeologyGeochemistryGeobiologyEcology