Sedimentology encompasses the study of modern sediments such as sand, mud, and clay, and the processes that result in their deposition.
Questions tagged [sedimentology]
121 questions
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How are sand blocks formed?
My son asked me at the beach how are "sand stones" formed. These are the solid (but fragile) sand conglomerates which you can hold in your hand and which crumble to sand once pressed.
I tried some hand waving about "cement-like" formations and…
WoJ
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What is the earliest sedimentation we know of?
Did large-scale sedimentation occur in any great amount during or soon after the Hadean/Archean period? Or did it only start later, because of the intense geological activity?
Henry Stone
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What are the mechanisms maintaining the Dune of Pilat?
The Dune of Pilat (Dune du Pilat) is the tallest dune in Europe. The dune has been around for at least centuries. Where is the sediment coming from? Why is the dune so tall?
arkaia
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No sedimentation without water?
I just found a video on sedimentary rock formation, and to my surprise, it stated that this only could occur in water! I always thought that any layer of matter, if buried deep underneath more matter, could form a sediment and become new rock. Am I…
Henry Stone
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Deposition in epioceanic areas
I found allochthonous (I don´t know the 2 locations) fined grained
carbonate sediment in Ammonitico Rosso, which is possibly mudstone in
the South Iberian Peninsule, specifically in Carcabuey (Córdoba). It is
known that this sediment was formed in…
ManuelRa
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How to tell whether sediment was laid in ocean or on land
What are the features of terrestrial lithographic/clastic sediment that indicate it was deposited into an oceanic as opposed to a terrestrial (e.g. fluvial or lacustrine) environment? How to tell whether a given siltstone bed was deposited in…
charlie_sar
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Sandstone Layer Question
I have been exploring the sandstone of southern Utah for many years and I have a question about the area around Sidestep Canyon (near Wahweap, near Page, AZ). There are many amazing hoodoos there and they are Entrada under Dakota. Morrison and…
stan wagon
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How do I plot Troels-Smith lithological symbols in R?
I'm trying to plot lithological data using the Troels-Smith scheme. I have tried psimpoll but as I only have lithological data I cannot create a main input file which is required. I also do not have access to the plotting graphics in Tilia. All I…
cviiitie
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