Dating calcite

dating calcite

How to identify calcite?

In order to identify calcite, you should begin by considering its physical properties.

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.

What are the different varieties of calcite?

The most popular colored varieties of calcite include blue Mexican (or Aztec) onyx and rose onyx. In order to identify calcite, you should begin by considering its physical properties.

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.

How to tell if calcite is real?

I would suggest to take a piece of paper and make a point with pencil, then place the calcite mineral on top of the point and see whether the point splits into two or not. If it does then it is calcite.

What is calcium calcite?

Calcite, or calcium carbonate , is the primary mineral found in limestone, and its parent metamorphic rock, marble. Its really found just about everywhere, but its found in higher concentrations within those two rocks.

How to identify crystals by color?

Crystal identification by color can be challenging for some crystals like Calcite, Fluorite, and Tourmaline, among others, since they come in different colors. In that case, you should refer to a crystal book or directory that categorizes by color and includes a photo of the specimen.

What happens when light passes through calcite?

By double refraction when light passes through calcite, it is split into two rays and is refracted twice. I would suggest to take a piece of paper and make a point with pencil, then place the calcite mineral on top of the point and see whether the point splits into two or not.

How were Carlin-type gold deposits in the golden triangle formed?

Combined with existing isotopic ages in the region, these new ages lead us to propose that Carlin-type gold deposits in the Golden Triangle formed during two metallogenic episodes in extensional settings, associated with the late Triassic Indochina orogeny and early Cretaceous paleo-Pacific plate subduction.

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.

Can calcite geochronology be used to investigate the timescales of individual fault strands?

Several studies have used calcite geochronology to investigate the timescales of individual fault strands ( Fig. 5 ). Craddock et al. (2021) document a single mineralized fill sample from a strand of the Gishron Fault that exhibits normal and sinistral strike-slip offsets within the Dead Sea region.

Can calcite be used as a deformation indicator?

If calcite can be reliably dated, and can be shown to have grown at the time of fault-slip and/or regional deformation events, then it offers a method that has wide applicability across many upper crustal deformation zones.

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