Raman spectroscopic and microthermometric studies of authigenic quartz (the Pepper Mts., Central Poland) as an indicator of fluids circulation
PBN-AR
Instytucja
Wydział Geologii, Geofizyki i Ochrony Środowiska (Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie)
Informacje podstawowe
Główny język publikacji
EN
Czasopismo
Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy (30pkt w roku publikacji)
ISSN
1386-1425
EISSN
1873-3557
Wydawca
Pergamon-Elsevier Science Ltd.
DOI
Rok publikacji
2017
Numer zeszytu
Strony od-do
960--964
Numer tomu
173
Link do pełnego tekstu
Identyfikator DOI
Liczba arkuszy
0.35
Autorzy
Pozostali autorzy
+ 2
Słowa kluczowe
EN
Raman spectroscopy
microthermometry
the Pepper Mts.
authigenic quartz
fluid inclusion
Streszczenia
Język
EN
Treść
Differently colored authigenic quartz crystals were found as the druses compound within mudstone heteroliths from the Pepper Mts. Shale Formation (Cambrian unit of the Holy Cross Mts., Central Poland). The genesis of this mineral was established on the basis of fluid inclusion study. Raman microspectroscopy was the key instrumental technique to identify the nature of the compounds trapped in the fluid inclusions. Methane (2917 cm(-1)) or water vapor (broad band-2500-3000 cm(-1)) occur within two-phased primary inclusion assemblages, while nitrogen (2329 cm(-1)) associated with methane and trace amount of carbon dioxide (1285, 1388 cm(-1)) occur within secondary fluid inclusion assemblage. Temperatures of homogenization of primary fluid inclusions was obtained on the basis of heating experiments and ranged from 171 degrees to 266 degrees C. These values are much higher than expected for the diagenetic system without metamorphic changes what may imply hydrothermal origin of quartz crystals. The source of fluids is uncertain as in the Holy Cross Mts. there was no volcanic activity to the end of Late Devonian. However, fluids originated in metamorphic basin could use deep faults as the migration paths. (C) 2016 Elsevier B.V. All-rights reserved.
Cechy publikacji
original article
peer-reviewed
Inne
System-identifier
idp:106651
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