Calcite u-pb dating
Index
- Can calcite U-Pb dating be used to constrain the age of oceanic crust?
- Can calcite U-Pb be used to constrain the timing of Carlin-type gold deposits?
- Are calcite cements in the Urgonian microporous limestone of southeastern France U-Pb-dated?
- How many generations of calcite cement are there?
- Can calcite U-Pb be used to constrain the timing of Carlin-type gold deposits?
- Can calcite be used to constrain the ages of hydrothermal processes?
- Is calcite enriched in U or PB?
- How old can carbonates be dated with U-Pb?
- Is the Urgonian Limestone a microporous carbonate reservoir?
- Are chronological constraints reliable for the formation of microporosity in Limestone reservoirs?
- How many generations of calcite cement are there?
- What can radiometric dating tell us about diagenetic cements in the Middle East?
- What type of rock is calcite found in?
- What are the different types of cement composition situations?
- What are the different types of calcite habits?
- What is the role of calcite in concrete?
Can calcite U-Pb dating be used to constrain the age of oceanic crust?
The manuscript “Calcite U-Pb dating of altered ancient oceanic crust in the North Pamir, Central Asia” by Rembe et al presents a new application of U-Pb dating of calcite to constrain the age of oceanic crust, applied to addressing questions of the age and lateral continuity of ophiolite belts in the Pamir and Western Kunlun.
Can calcite U-Pb be used to constrain the timing of Carlin-type gold deposits?
This study shows that the calcite U-Pb method can be used to constrain the timing of Carlin-type gold deposits and successive hydrothermal events. You do not currently have access to this article.
Are calcite cements in the Urgonian microporous limestone of southeastern France U-Pb-dated?
In this study we performed absolute U-Pb dating of calcite cements occurring in the Urgonian microporous limestone (northern Tethys margin) of southeastern France.
How many generations of calcite cement are there?
Two main generations of calcite cement, S1 and S2, have been documented in the formation, based on petrographical and textural evidence showing a continuum from the S1 microsparite to the S2 blocky calcite. Note that the S1 phase is too small and inclusion rich to be subsampled for U-Pb dating purposes.
Can calcite U-Pb be used to constrain the timing of Carlin-type gold deposits?
This study shows that the calcite U-Pb method can be used to constrain the timing of Carlin-type gold deposits and successive hydrothermal events. You do not currently have access to this article.
Can calcite be used to constrain the ages of hydrothermal processes?
Recent advances in U-Pb methods show that calcite can be used to constrain the ages of hydrothermal processes, but few studies have been applied to ore deposits.
Is calcite enriched in U or PB?
On the basis of the work to date, it is clear that calcite can be fairly enriched in U and have reasonably high U/Pb ratios. Speleothems and some marine deposits have much lower concentrations but far more favorable U/Pb.
How old can carbonates be dated with U-Pb?
Carbonates as young as Pleistocene age have been dated with U-Pb, and because of the long half-lives of 238 U and 235 U, there is no reason to believe that there is a limit to dating older parts of the rock record. U-Pb dating is simply an extension of the well-used U series dating methods for carbonates.
What type of rock is calcite found in?
Do not think of calcite as a type of rock, but a major mineral component in sedimentary rocks like limestone, or metamorphic rocks like marble. We cannot forget Igneous types of rocks, as calcite can be found in them as well.
What are the different types of cement composition situations?
TYPES OF CEMENT COMPOSITION SITUATUIONS PURPOSES Rapid Hardening Portland Cement RHPC manufactured by combining lime stone (finely grounded) and shale at high temperature This type of cement is used where high strength is need to be achieved in initial stage quickly.
What are the different types of calcite habits?
Habits include acute to obtuse rhombohedra, tabular forms, prisms, or various scalenohedra. Calcite exhibits several twinning types adding to the variety of observed forms. It may occur as fibrous, granular, lamellar, or compact. A fibrous, efflorescent form is known as lublinite.
What is the role of calcite in concrete?
The addition of calcite is beneficial to cement and concrete properties due to the fact that it can chemically react with the tricalcium aluminate (C3 A) phase in PC to form monocarboaluminate (C 4 AĈH 11 where Ĉ stands for CO 3) phase, according to Eq. (14.20) ( Damidot et al., 2011 ).
