Norsk versjon
	THE ORE DATABASE
	Occurence 1853 - 021 Lapkersti-elven
	(Object Id: 2425) (Last updated: 25.02.2005)

Products

	Element/product	Crude ore grade or quality	Reg. date
	Fe-mag.	28.8 %	27.10.1992
	Fe-total	32.4 %	27.10.1992
	MnO	.21 %	27.10.1992
	P	.166 %	27.10.1992
	S	.008 %	27.10.1992
	TiO2	.27 %	27.10.1992

Operations

	From - To	Activity	Comments
	1898 - 1904	Test mining
	1976 - 1977	Geology	Company/Institution :Rana Gruber

Mineralization

	Era:	Proterozoic	Period:	Neoproterozoic
	Genesis:	Sedex	Form:	Lens
	Main texture:	Banded	Min. distribution:	Massive (>50 % ore minerals)

Main grain size:

Coarse grained (> 3 mm)

Main alteration:

	Strike/Dip:		Direction:
			Plunge:

Stratigraphic classification of host rock

Era:

Proterozoic

Period:

Neoproterozoic

	Province:	Caledonides
	Geotec.unit:	Seve-Køli Nappe Complex
	Tectonic complex:	Øvre allokton
	Igneous complex:

Group:

Bogen gruppen

Formation:

Håfjell jernmalmformasjon

Mineralogy

	Relationship	Mineral	Amount
	Gangue mineral	Amphibole	Major mineral (>10%)
	Gangue mineral	Quartz	Major mineral (>10%)
	Ore mineral	Magnetite	Major mineral (>10%)

Lithology:

	Relationship	Rock	Origin
	Unknown	Glimmerskifer	Sedimentary Original rock :Greywacke
			Metamorphic facies :Amphibolite

Structures

	Location:	Type:	Orientation(360 gr.):	Relation to min.:
	Unknown	Primary layering	Strike :360	Syn-mineralisation ;...Effect :None

Information(s) in free text format

Free text

Lapkersti-elven mt.-malm ligger 240-250m o.h. i samme posisjon som Resskvanto 650m lenger øst, men de ikke sammenhengende. Man kan regne 2m tykkelse, 100m lengde og 100m ned langs malmfallet som gir 64 000 tonn (spes.v. 3,2). Malmen kan følges 100m i strøkretningen med malmtykkelser 1,5-2m og 4m. Det er boret 4 hull tilsammen 195m derav 16,5m i malm.3 av hullene førte malm, malmtykkelse 1-4m (20-30% Fe total). Borhullene ligger i stollområdet til Lappkerstielven og 700m øst nordøstover. 5 prøver fra Lappkerstielven er analysert ved Norsk Jernverk 1977, og viser følgende resultat: Fe tot. Fe magn. MnO TiO2 P S 35.6% 35.6% 0.12% 0.13% 0.120% 0.004% 43.7% 42.4% 0.54% 0.17% 0.053% 0.009% 30.9% 26.7% 0.10% 0.32% 0.249% 0.015% 23.8% 19.6% 0.08% 0.37% 0.189% 0.006% 28.3% 20.1% 0.23% 0.37% 0.220% 0.008% -------------------------------------------------------------------------------- 32.4% 28.8% 0.21% 0.27% 0.166% 0.008%

Bibliography:

References not to be found in NGU's Reference Archive.:

Søvegjarto, U. 1978: Bogen jernmalmfelt. Sluttrapport geologi. Int. rapp. Rana Gruber A/S. 10 sider. 51 bilag.

Fieldsamples

	Sample No.	Sample type	Miscellanrous
	NO0283.01	Bedrock	Sampler: Sørdal, T./...Stored: Løkken Comment: Magnetittmalm. No. of registrated element analyses = 1
	NO0283.02	Bedrock	Sampler: Sørdal, T./...Stored: Løkken Comment: Rusten magnetittmalm. No. of registrated element analyses = 1

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

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Analyse Results

from

Deposit Area 1853 - 021 Lapkersti-elven

Element analyses

( *=parts pr. million, #=parts pr.billion, Negative values means below detection limit value.)

Sample No.	Sample Type	Cu*	Zn*	Pb*	Co*	Ni*	Ag*	Au#
NO0283.01	Bedrock	1	28	2	18	6	.1	1.0
NO0283.02	Bedrock	6	34	2	19	7	.1	1.0

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Sample No.	Pt#	Pd#	As*	Cd*	Ba*	Mo*	Sb*	Bi*	S%
NO0283.01	3.0	3.0	2	.2	15	1.00	2	2	.03
NO0283.02	3.0	3.0	2	.2	2	1.00	2	2	.33

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Sample No.	V*	Cr*	Mn*	Fe%	Th*	U*	W*	Sr*	La*
NO0283.01	34	19	428	23.87	2.00	5.00	1	87.0	14.00
NO0283.02	34	19	569	21.87	2.00	5.00	1	42.0	13.00

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Sample No.	B*
NO0283.01	9
NO0283.02	7

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The fact sheet was created on 27.04.2024

Questions or comments regarding the fact sheet can be emailed to: ressursdatabaser@ngu.no

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