Garnet Zoning: An Interpretation Based on the Rayleigh Fractionation Model
Abstract
Manganese zoning in almandine garnet is interpreted by the use of calculations based on the Rayleigh fractionation model. A close similarity of a measured manganese zoning profile and a calculated profile indicates that the assumptions used in the calculations are good. These assumptions are: complete removal of garnet from a homogeneous reservoir as the garnet crystallizes, and a nearly constant manganese fractionation factor between garnet and reservoir.
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Diffusion in garnet is slow at medium temperatures.
“Hollister (1966) showed that most of the Mn in metapelitic rocks is incorporated into garnet and diffusion in garnet is slow at medium temperatures.”
From The role of excess oxygen for modeling high-Mn, low-Ca garnets in metapelites from the northern Central Metasedimentary Belt of the Grenville Province, Ontario, Canada (2021) · cites this paper as Hollister (1966)
Most of the Mn in metapelitic rocks is incorporated into garnet.
“Hollister (1966) showed that most of the Mn in metapelitic rocks is incorporated into garnet and diffusion in garnet is slow at medium temperatures.”
From The role of excess oxygen for modeling high-Mn, low-Ca garnets in metapelites from the northern Central Metasedimentary Belt of the Grenville Province, Ontario, Canada (2021) · cites this paper as Hollister (1966)
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Duesterhoeft, E., Raase, P., Duguet, M., & Easton, R. M. (2021) · Canadian Journal of Earth Sciences · doi:10.1139/cjes-2019-0238 · Cited by 4 · see citing works
- Authors
- Hollister, L. S.
- Affiliations
- University of California, Los Angeles (US)
- Corresponding author
- Hollister, Lincoln S.
- Venue
- Science
- Published
- 1966-12-30
- Volume
- 154
- Issue
- 3757
- Pages
- 1647-1651
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2083871626
- Cited by
- 470
- References
- 0
- Citations by year
- 2026: 14 · 2025: 10 · 2024: 12 · 2023: 15 · 2022: 13 · 2021: 18 · 2020: 15 · 2019: 16 · 2018: 16 · 2017: 20 · 2016: 9 · 2015: 15 · 2014: 12 · 2013: 17 · 2012: 9
- FWCI
- 2.33
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Science (publishedVersion)
- Topics
- Physical Sciences › Earth and Planetary Sciences › Geophysics › Geological and Geochemical Analysis
- Physical Sciences › Earth and Planetary Sciences › Geochemistry and Petrology › Mineralogy and Gemology Studies
- Physical Sciences › Earth and Planetary Sciences › Geochemistry and Petrology › Geochemistry and Elemental Analysis
- Keywords
- garnet zoning, almandine, fractional crystallization, garnet crystallization, trace element zoning
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