Sentences with word «diagenesis»

Grains of sediment, rock fragments and fossils can be replaced by other minerals during diagenesis.

Bone Diagenesis and Radiocarbon Dating of Fish Bones at the Shag River Mouth Site, New Zealand

«I have diagenesis including PTSD, Bipolar One, and clinical depression and generalizing anxiety disorder with panic attacks.

The term diagenesis is used to describe all the chemical, physical, and biological changes, including cementation, undergone by a sediment after its initial deposition and during and after its lithification, exclusive of surface weathering.

The fossils were formed in a swampy peat bog of a tropical to subtropical environment where plant tissues were preserved through rapid silicate diagenesis.

First, it may be that the older part of the signal has been smoothed by diagenesis.

Organic matter diagenesis at the oxic / anoxic interface in coastal marine sediments, with emphasis on the role of burrowing animals

Finally, post-depositional diagenesis of calcareous bedding may enhance and / or distort orbital - scale variations.

Porosity usually decreases during diagenesis, except in rare cases such as dissolution of minerals and dolomitization.

Bone Diagenesis and Radiocarbon Dating of Fish Bones at the Shag River Mouth Site, New Zealand Carbon - 14, 14 C, or radiocarbon, is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.

Initially, my work focused on characterizing the microstructural arrangement of post mortem alteration (diagenesis) and establishing any taphonomic significance.

diagenesis: The physical, chemical or biological alteration of sediments into sedimentary rock at relatively low temperatures and pressures that can result in changes to the rock's original mineralogy and texture.

Fluid flow that is ubiquitous within the crust and sedimentary basins has left fingerprints as chemical patterns of diagenesis, ore formation, and petroleum migration.

Tectonic and volcanic activity was low in the Canterbury Basin over the past several million years20; the sediments are devoid of diagenesis, and evidence for gravity flows is rare22.