Fact Sheet for Deposit Area 919

					Norsk versjon
	THE INDUSTRIAL MINERAL DATABASE
	Deposit Area 919 - 387
	(Last updated 27.apr.2007)

Name of Deposit Area : Heidalstjern

(Object Id : 0919,387,00,00)

Location

County :

Aust-Agder (09)

Municipality :

Froland (0919)

Map 1:50000:

Nelaug (1612-3)

Map 1:250000:

Arendal

Marking point:

Longitude:

8.4989380

Latitude:

58.6242320

EU89-UTM Zone 32

X-coord:

470899 m.

Y-coord:

6498319 m.

Commodity

Main Type:

Feldspar

Sub Type:

Pegmatitic feldspar

Production

Activity:	Mining	Reserves:
Prod. method:	Open pit mining	Production:
Prod. status:	Disused, closed	Volume of dump:

Importance

Public: Little Importance (reg. 18.02.2015)

Economical: Minor interest , (Confirmed 20.feb.2006 by Havard Gautneb)

Mineralization

Era: Period:

Dating: Method:

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

065.01 Hand specimen

Sampler :Peter Ihlen/...Stored :Løkken

Comment :Ren, overflateforvitret rød K-feltspat

No. of registrated oxide analyses = 1

065.04 Hand specimen

Sampler :Peter Ihlen/...Stored :Løkken

Comment :Ren, overflateforvitret plagioklas

No. of registrated oxide analyses = 1

065.06 Hand specimen

Sampler :Peter Ihlen/...Stored :Løkken

Comment :Ren rød K-feltspat

No. of registrated oxide analyses = 1

NB! All analyse values are shown at the end of the printout.:

Analyse Results

from

Deposit Area 919 - 387 Heidalstjern

Oxide analyses
( All values are in % )

Sample No. Sample Type SiO2 Al2O3 TiO2 Fe2O3 MgO CaO Na2O

065.01 Hand specimen 65.20 18.30 0.00 0.06 0.02 0.06 1.75

065.04 Hand specimen 68.90 20.20 0.00 0.08 0.09 0.16 10.92

065.06 Hand specimen 75.60 14.24 0.00 0.13 0.02 0.08 4.40

------------------

Sample No. K2O Sum

065.01 14.00 99.00

065.04 1.13 101.00

065.06 5.76 100.00

	Era:		Period:
	Dating:		Method:
	Genesis:		Form:
	Main texture:		Min. distribution:

	Province:
	Geotec.unit:
	Tectonic complex:
	Igneous complex:

Sample No.	Sample Type	SiO2	Al2O3	TiO2	Fe2O3	MgO	CaO	Na2O
065.01	Hand specimen	65.20	18.30	0.00	0.06	0.02	0.06	1.75
065.04	Hand specimen	68.90	20.20	0.00	0.08	0.09	0.16	10.92
065.06	Hand specimen	75.60	14.24	0.00	0.13	0.02	0.08	4.40

Sample No.	K2O	Sum
065.01	14.00	99.00
065.04	1.13	101.00
065.06	5.76	100.00