Locality type: | Property |
Classification |
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Species: | Phlogopite |
Formula: | KMg3(AlSi3O10)(OH)2 |
Age information |
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Maximum recorded age: | 1782.5 ± 3.7 Ma |
Minimum recorded age: | 1782.5 ± 3.7 Ma |
Sample ages: | | Recorded age | Geologic Time | Sample | Dating method |
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1 | 1782.5 ± 3.7 Ma | Statherian | Average of analyses | ID-TIMS for zircon U-Pb |
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Chemical Analyses: |
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Oxide wt%: | | 1 |
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SiO2 | 39.79 % |
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TiO2 | 2.53 % |
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Al2O3 | 15.58 % |
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Cr2O3 | 0.03 % |
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MgO | 23.32 % |
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CaO | 0.02 % |
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BaO | 0.04 % |
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MnO | 0.03 % |
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FeO | 2.92 % |
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Na2O | 0.27 % |
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K2O | 10.56 % |
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F | 1.39 % |
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Cl | 0.02 % |
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H2O | 3.57 % |
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O=F,Cl | –0.59 % |
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Total: | 100.07 % |
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Sample references: | |
Confirmation |
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Validity: | Believed Valid |
Data |
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Mineral Data: | Click here to view Phlogopite data |
Locality Data: | Click here to view Beluga sapphire property, Kimmirut (Lake Harbour), Baffin Island, Qikiqtaaluk Region, Nunavut, Canada |
Data Identifiers |
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Mindat Occurrence Record ID: | 552685 |
Long-form Identifier: | 1:3:552685:7 |
GUID (UUID V4): | a9d41e51-998a-4113-b594-61b0c7919749 |
Nearest other occurrences of Phlogopite |
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10.7km (6.6 miles) | ⓘLake Harbour Group, Baffin Island, Qikiqtaaluk Region, Nunavut, Canada |
70.2km (43.6 miles) | ⓘCook Inlet, Baffin Island, Qikiqtaaluk Region, Nunavut, Canada |
References |
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Reference Search (possible matching items) |
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| | Journal (article/letter/editorial) | 1800060 METACARBONATE-HOSTED SPINEL ON BAFFIN ISLAND, NUNAVUT, CANADA: INSIGHTS INTO THE ORIGIN OF GEM SPINEL...Columbia, Canada V6T 1Z4 ABSTRACT Samples from 14 spinel occurrences in the Lake Harbour Group (LHG)...(LHG), Baffin Island, Nunavut, Canada, were studied using a combination of petrography, whole rock geochemistry...not of gem quality. Two spinel occurrences near Kimmirut contain vivid blue, cobalt-enriched (0.03–0.07...stable assemblage include calcite, dolomite, phlogopite, pargasite, diopside, humite, forsterite, scapolite |
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