Results 101 to 110 of about 11,274 (202)

Speleothems

open access: yesNatura Croatica, 2005
Recenzija knjige "Sige" autora Damira Lackovića u izdanju Hrvatskog prirodoslovnog muzeja.
openaire   +1 more source

The environmental features of the Monte Corchia cave system (Apuan Alps, central Italy) and their effects on speleothem growth [PDF]

open access: yesInternational Journal of Speleology, 2008
The Monte Corchia cave system, one of the most famous and popular caves in Italy, has in recent times been the subject of investigation on its speleothems as paleoclimate archives.
Piccini Leonardo   +15 more
doaj  

When crystals become dust: Speleothem degradation processes in Praileaitz I Cave (Northern Spain) [PDF]

open access: yes, 2014
Within the Praileaitz cave there are evident signs of deterioration of different types and generations, affecting both the host rock and the speleothems.
Aranburu, Arantxa   +6 more
core  

Spatial and temporal distribution of palaeoclimatic records in the Maya Area

open access: yesRevista Mexicana de Ciencias Geológicas
Palaeoclimatic research has been performed in the Maya Area (MA), using mainly lake sediment cores and speleothems. Most of the studies have been performed in the lowlands, leaving the highlands unexplored.
Haydar Martinez-Dyrzo
doaj   +1 more source

Comprehensive investigation of intact, vulnerable stalagmites to estimate an upper limit on prehistoric ground acceleration [PDF]

open access: yes, 2013
Non-intrusive in situ measurements were carried out in caves in Hungary, Bulgaria and Slovakia in order to determine the fundamental frequencies (FF) and horizontal ground accelerations (HGA) resulting in failure of intact, slim, vulnerable ...
Bokelmann, G.   +5 more
core  

In situ Raman characterization of minerals and degradation processes in a variety of cultural and geological heritage sites [PDF]

open access: yes, 2016
Wetest the capabilities of in situ Raman spectroscopy for non-destructive analysis of degradation processes in invaluable masterpieces, as well as for the characterization of minerals and prehistoric rock-art in caves.
Calaforra, José María   +6 more
core   +1 more source

Obtaining High‐Resolution Magnetic Records From Speleothems Using Magnetic Microscopy

open access: yesGeochemistry, Geophysics, Geosystems
Speleothems are mineral deposits capable of recording detrital and/or chemical remanent magnetization at annual timescales. They can offer high‐resolution paleomagnetic records of short‐term variations in Earth's magnetic field, crucial for understanding
Cauê S. Borlina   +12 more
doaj   +1 more source

Petrography and sedimentary sequence relationships of speleothems from the Cradle of Humankind, South Africa

open access: yesResults in Earth Sciences
Speleothems are ubiquitous sedimentary features of caves in the Cradle of Humankind (locally referred to as the Cradle). Dominantly composed of calcite/remnant aragonite, these deposits are often interbedded with clastic sediments, which host a rich ...
Georgina Luti   +3 more
doaj   +1 more source

Black Mn-Fe crusts as markers of abrupt palaeoenvironmental changes in El Soplao Cave (Cantabria, Spain)

open access: yesInternational Journal of Speleology, 2011
Peculiar iron and manganese deposits coating walls, floors and ceilings of many galleries are one of the special features of the ElSoplao Cave (Cantabria, Spain).
Gazquez Fernando   +2 more
doaj  

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