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mineral names are shown in Chapter Analytical methods, TiO 2 -1-2: identifiers in Supp. Table 1 Several different compositional phases of ilmenite can be observed on the BSE images of Sample 784

Open access
Central European Geology
Authors:
Ildikó Gyollai
,
Ákos Kereszturi
, and
Elias Chatzitheodoridis

Ca 1.05 0.63 1.47 CaO Ti 0.23 0.11 0.38 TiO 2 Ti

Open access

2 vs. TiO 2 ( Shan et al., 2016 ) and the K 2 O/Al 2 O 3 vs. Na 2 O/Al 2 O 3 ( Garrels and Mackenzie, 1971 ) discrimination diagrams were used to identify the protolith of the parametamorphic and orthometamorphic rocks. All garnet

Open access

–4) pegmatite, Sukoró (2: MBFSZ-11138, 3: MBFSZ-11144, 4: MBFSZ-11149); 5) aplite, Bence Hill, Velence (MBFSZ-5304); 6) aplite, Tompos Hill, Pákozd (V3) 1 2 3 4 5 6 SiO 2 33.91 33.86 33.12 33.91 33.34 33.80 TiO 2 0.05 0.22 0.26 0.25 0.45 0.36 B 2 O 3 * 9

Open access

differences were observed in the samples of the Battonya–Pusztaföldvár Basement Ridge (Battonya–Pusztaföldvár BR) that are rhyolites according to the immobile element-based rock classification (Zr/TiO 2 vs. Nb/Y), while the others are rhyodacites

Open access
Central European Geology
Authors:
Máté Zsigmond Leskó
,
Richárd Zoltán Papp
,
Ferenc Kristály
,
József Pálfy
, and
Norbert Zajzon

Table 1. Chemical composition of the dissolution residue from representative samples determined by SEM-EDS. Concentrations are expressed in m/m% Na 2 O MgO Al 2 O 3 SiO 2 P 2 O 3 SO 2 K 2 O CaO TiO 2 FeO LK-11 0.66 1.60 7.48 82.67 1.65 0.38 1

Open access
Central European Geology
Authors:
Máté Zsigmond Leskó
,
Richárd Zoltán Papp
,
Boglárka Anna Topa
,
Ferenc Kristály
,
Tamás Vigh
, and
Norbert Zajzon

U-178 Na 2 O MgO Al 2 O 3 SiO 2 P 2 O 5 SO 3 K 2 O CaO TiO 2 Fe 2 O 3

Open access
Central European Geology
Authors:
Zsófia Pálos
,
István János Kovács
,
Dávid Karátson
,
Tamás Biró
,
Judit Sándorné Kovács
,
Éva Bertalan
,
Anikó Besnyi
,
György Falus
,
Tamás Fancsik
,
Martina Tribus
,
László Előd Aradi
,
Csaba Szabó
, and
Viktor Wesztergom

.5 61.3 TiO 2 0.90 0.92 0.60 0.57 0.89 0.83 0.82 0

Open access

2 Qtz + R * ln a TiO 2 − 273.15 , where R is the gas constant 8.3145 J/K, is the mole fraction of TiO 2 in quartz (ppm), is the activity of TiO 2 in the system, and the adjustable parameters a, b , and c are a  = 60,952 ± 3,122, b  = 1

Open access
Central European Geology
Authors:
Ildikó Gyollai
,
Ákos Kereszturi
,
Zsolt Kereszty
,
Máté Szabó
, and
Elias Chatzitheodoridis

SiO 2 54.2 63.6 58.9 3.25 TiO 2 0 1.01 0.18 0

Open access