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Linha Getúlio Vargas, Frederico Westphalen, Rio Grande do Sul, Brazili
Regional Level Types
Linha Getúlio Vargas- not defined -
Frederico Westphalen- not defined -
Rio Grande do Sul- not defined -
BrazilCountry

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Latitude & Longitude (WGS84): 27° 20' 9'' South , 53° 20' 42'' West
Latitude & Longitude (decimal): -27.33609,-53.34518
GeoHash:G#: 6g4h6pe5x
Köppen climate type:Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Frederico Westphalen20,896 (2012)5.5km


The amethyst flowers and associated calcite specimens are found mostly in the area around the tiny village called Linha Getulio Vargas.
'Linha' was the way the Italians called the first small roads opened for them to get inland at the beginning of the colonies. These eventually grow up to small, tiny villages. Some houses, a Catholic church and maybe a business.
There are a few small quarries in the area, many of which are not operating. They also produce calcite specimens (especially ones in a very green matrix), however, there are more localities that produce calcite specimens.

Regions containing this locality

South America PlateTectonic Plate
South AmericaContinent

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


4 valid minerals.

Detailed Mineral List:

Baryte
Formula: BaSO4
Reference: Álvaro Lúcio says label locality matches specimen. Baryte tested XRD.
Calcite
Formula: CaCO3
Reference: Email from Ricardo Fabrin and my experience in the region [Rock Currier 2009]
Celadonite
Formula: K(Mg,Fe2+)Fe3+(Si4O10)(OH)2
Reference: Van King
Quartz
Formula: SiO2
Reference: Email from Ricardo Fabrin and my experience in the region [Rock Currier 2009]
Quartz var: Amethyst
Formula: SiO2
Reference: Email from Ricardo Fabrin and my experience in the region [Rock Currier 2009]

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
var: Amethyst4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Group 9 - Silicates
Celadonite9.EC.15K(Mg,Fe2+)Fe3+(Si4O10)(OH)2

List of minerals arranged by Dana 8th Edition classification

Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Celadonite71.2.2a.6K(Mg,Fe2+)Fe3+(Si4O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
var: Amethyst-SiO2

List of minerals for each chemical element

HHydrogen
H CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2
CCarbon
C CalciteCaCO3
OOxygen
O CalciteCaCO3
O Quartz (var: Amethyst)SiO2
O QuartzSiO2
O CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2
O BaryteBaSO4
MgMagnesium
Mg CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2
SiSilicon
Si Quartz (var: Amethyst)SiO2
Si QuartzSiO2
Si CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2
SSulfur
S BaryteBaSO4
KPotassium
K CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2
CaCalcium
Ca CalciteCaCO3
FeIron
Fe CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2
BaBarium
Ba BaryteBaSO4

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Cretaceous - Jurassic
66 - 201.3 Ma



ID: 3185981
Mesozoic volcanic rocks

Age: Mesozoic (66 - 201.3 Ma)

Stratigraphic Name: Parana Flood Basalt

Lithology: Flood basalt(s); mafic volcanic rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Early Cretaceous
100.5 - 145 Ma



ID: 2320219
Paranapanema Fácies

Age: Early Cretaceous (100.5 - 145 Ma)

Lithology: Andesite, basalt

Reference: Geological Survey of Brazil. State Geological Maps of Brazil. CPRM - Geobank. [43]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Email from Ricardo Fabrin to Rock Currier 2009


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