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THE INDUSTRIAL MINERAL DATABASE
Occurence 4216 - 317 Bjortjern
(Object Id: 8211)
(Last updated: 27.04.2007)
Location
County: Agder Municipality: Birkenes (4216)
Map 1:50000: Mykland (1512-2) Map 1:250000: Arendal
Coordinate system: EU89-UTM Zone 32 (Coordinates NOT confirmed)
East: 462917 m. North: 6488691 m.
Longitude: 8.3630790 Latitude: 58.5371570
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Resource
Resource Type: Feldspar Resource Subtype: Pegmatitic feldspar

Importance
Raw material meaning: Not Assessed (reg. 18.02.2015)


Mineralization
Genesis: Form:
Main texture: Min. distribution:
Main grain size:
Strike/Dip: Direction:
Plunge:
Stratigraphic classification of host rock
Era: Period:
Province:
Geotec.unit:
Tectonic complex:
Igneous complex:
Group: Formation:

Fieldsamples
Sample No. Sample type Miscellanrous
P055.06 Hand specimen
Sampler: Peter Ihlen/...Stored: Løkken
Comment: Like utenfor brudd i liten dal. Massiv røkkvarts
No. of registrated mineral analyses = 1
P055.09 Hand specimen
Sampler: Peter Ihlen/...Stored: Løkken
Comment: . Røkkvarts sammenv. med litt alkalifeltspat
No. of registrated mineral analyses = 1
P055.22 Hand specimen
Sampler: Peter Ihlen/...Stored: Løkken
Comment: Massiv røkkvarts
No. of registrated mineral analyses = 1
P055.25 Hand specimen
Sampler: Peter Ihlen/...Stored: Løkken
Comment: Massiv røkkvarts
No. of registrated mineral analyses = 1
055,GK Hand specimen
Sampler: Peter Ihlen/...Stored: Løkken
Comment: Kremfarget K-feltspat
No. of registrated oxide analyses = 1
055,GK2 Hand specimen
Sampler: Peter Ihlen/...Stored: Løkken
Comment: Brunlig rosa forvitret plagioklas
No. of registrated oxide analyses = 1
055,GP Hand specimen
Sampler: Peter Ihlen/...Stored: Løkken
Comment: Matriks av intimt sammenv. plag. og kvarts
No. of registrated oxide analyses = 1
055,01 Hand specimen
Sampler: Peter Ihlen/...Stored: Løkken
Comment: Blek rosa K-feltspat fra tippen av bruddet
No. of registrated oxide analyses = 1
055,05 Hand specimen
Sampler: Peter Ihlen/...Stored: Løkken
Comment: Rosa K-feltsp. med et par tynne røkkv. striper
No. of registrated oxide analyses = 1
055,08 Hand specimen
Sampler: Peter Ihlen/...Stored: Løkken
Comment: Ren blek rosa K-feltspat
No. of registrated oxide analyses = 1
055,10 Hand specimen
Sampler: Peter Ihlen/...Stored: Løkken
Comment: Plag. sammenv. med røkkvarts-biotitt aggregat
No. of registrated oxide analyses = 1
055,11 Hand specimen
Sampler: Peter Ihlen/...Stored: Løkken
Comment: Ren blek rosa K-feltspat
No. of registrated oxide analyses = 1
055,13 Hand specimen
Sampler: Peter Ihlen/...Stored: Løkken
Comment: Intimt sammenv. plag. og kvarts med litt biotitt
No. of registrated oxide analyses = 1
055,14 Hand specimen
Sampler: Peter Ihlen/...Stored: Løkken
Comment: Rosa K-feltspat sammenv. med litt kv. og bio.
No. of registrated oxide analyses = 1
055,16 Hand specimen
Sampler: Peter Ihlen/...Stored: Løkken
Comment: Ren plagioklas
No. of registrated oxide analyses = 1
055,17 Hand specimen
Sampler: Peter Ihlen/...Stored: Løkken
Comment: Ren rosa K-feltspat
No. of registrated oxide analyses = 1
055,19 Hand specimen
Sampler: Peter Ihlen/...Stored: Løkken
Comment: Rosa K-feltspat sammenv. med en del kvarts
No. of registrated oxide analyses = 1
055,21 Hand specimen
Sampler: Peter Ihlen/...Stored: Løkken
Comment: Rosa K-feltspat med ørlite kvarts
No. of registrated oxide analyses = 1
055,23 Hand specimen
Sampler: Peter Ihlen/...Stored: Løkken
Comment: Plag. sammenv. med kv. Rosa forv.flekker
No. of registrated oxide analyses = 1
055,24 Hand specimen
Sampler: Peter Ihlen/...Stored: Løkken
Comment: Rosa K-feltspat med grovk. grafisk kvarts
No. of registrated mineral analyses = 1
No. of registrated oxide analyses = 1
NB! All analyse values are shown at the end of the printout.:

Analyse Results
from
Deposit Area 4216 - 317 Bjortjern

Mineral analyses
( All values are in ppm. Negative values means below detection limit value.)
Sample No. Sample Type Mineral Li Be Na
P055.06 Hand specimen Quartz 8.466 .157
P055.09 Hand specimen Quartz 6.971 .036
P055.22 Hand specimen Quartz 16.989 .112
P055.25 Hand specimen Quartz 17.905 .061
055,24 Hand specimen Potassic feldspar 8123.145
------------------
Sample No. Mg Al Si P K Ca Ti Mn Fe
P055.06 60.946 15.954 -5.300 6.659 2.859 -2.600
P055.09 22.819 39.024 -5.300 3.969 -.120 -2.600
P055.22 26.705 15.184 -5.300 10.138 -.120 -2.600
P055.25 32.565 7.086 3.511 9.252 -.120 -2.600
055,24 96.479 53868.094 306714.045 55617.814 488.440 11.993 139.870
------------------
Sample No. Ge
P055.06 1.038
P055.09 .109
P055.22 .796
P055.25 .715
055,24

Oxide analyses
( All values are in % )
Sample No. Sample Type SiO2 Al2O3 TiO2 Fe2O3 MgO CaO Na2O
055,GK Hand specimen 65.90 18.30 0.00 0.04 0.01 0.07 2.08
055,GK2 Hand specimen 66.30 21.70 0.00 0.06 0.02 3.08 9.07
055,GP Hand specimen 79.40 14.10 0.00 0.09 0.02 1.84 5.55
055,01 Hand specimen 73.90 14.70 0.00 0.07 0.02 0.08 1.68
055,05 Hand specimen 65.40 18.20 0.00 0.04 0.01 0.06 2.22
055,08 Hand specimen 64.80 18.50 0.00 0.05 0.01 0.20 2.13
055,10 Hand specimen 68.50 20.50 0.00 0.09 0.06 4.32 6.97
055,11 Hand specimen 65.30 18.40 0.00 0.03 0.01 0.13 2.07
055,13 Hand specimen 70.40 19.20 0.01 0.09 0.04 2.69 7.97
055,14 Hand specimen 68.50 17.30 0.00 0.07 0.03 0.25 3.20
055,16 Hand specimen 70.00 19.40 0.00 0.17 0.03 2.48 8.18
055,17 Hand specimen 65.30 18.20 0.00 0.06 0.03 0.05 1.83
055,19 Hand specimen 70.60 15.90 0.00 0.06 0.03 0.07 1.71
055,21 Hand specimen 65.60 18.30 0.00 0.07 0.02 0.09 2.24
055,23 Hand specimen 67.40 20.90 0.00 0.10 0.04 2.82 8.72
055,24 Hand specimen 65.60 18.30 0.00 0.04 0.02 0.06 2.19
------------------
Sample No. K2O Sum
055,GK 13.43 100.00
055,GK2 0.60 101.00
055,GP 0.58 102.00
055,01 10.16 101.00
055,05 13.19 99.00
055,08 13.16 99.00
055,10 0.38 101.00
055,11 13.54 99.00
055,13 0.48 101.00
055,14 10.11 99.00
055,16 0.59 101.00
055,17 13.84 99.00
055,19 11.38 100.00
055,21 13.12 99.00
055,23 0.61 101.00
055,24 13.40 100.00

The fact sheet was created on 01.05.2024
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