Fact Sheet for Deposit Area 437

					Norsk versjon
	THE ORE DATABASE
	Deposit Area 437 - 032
	(Last updated 14.sep.2001)

Name of Deposit Area : Nybergåsen

(Object Id : 0437,032,00,00)

Location

County :

Hedmark (04)

Municipality :

Tynset (0437)

Map 1:50000:

Kvikneskogen (1619-4)

Map 1:250000:

Røros

Marking point:

Longitude:

10.4414430

Latitude:

62.4369570

EU89-UTM Zone 32

(Coordinates IS confirmed)

X-coord:

574410 m.

Y-coord:

6923688 m.

Commodity

	Main Type:	Base metals (Cu,Zn,Pb,Fe sulphides, As,Sb,Bi,Sn)	Sub Type:	Sulphides
			Element(s):	Kis

Production

Activity:	Pitting	Reserves:
Prod. method:		Production:
Prod. status:		Volume of dump:	60 m3

Importance

Public: Not Assessed (reg. 18.02.2015)

Economical: Not classified/evaluated

Operations

From - To Activity Comments

1974 - 1974 Sampling Company/Institution :A/S Sulfidmalm

1998 - 1998 Sampling Company/Institution :NGU

Mineralization

Era: Proterozoic Period: Neoproterozoic

Dating: Method:

Genesis: Volcex Form: Lens

Main texture: Structureless Min. distribution: Semi-massive (20-50 % ore minerals)

Main grain size: Fine grained (< 1 mm) Main alteration: Chloritisation

Strike/Dip: 320 / 15 Direction:

Plunge:

Stratigraphic classification of host rock

Era: Proterozoic Period: Neoproterozoic

Province: Caledonides

Geotec.unit: Trondheim Nappe Complex

Tectonic complex: Gula Nappe

Igneous complex:

Group: Gula Formation:

Mineralogy

Relationship Mineral Amount

Gangue mineral Quartz Major mineral (>10%)

Gangue mineral Amphibole Major mineral (>10%)

Gangue mineral Garnet Major mineral (>10%)

Gangue mineral Biotite Subordinate mineral (1-10%)

Gangue mineral Plagioclase Subordinate mineral (1-10%)

Gangue mineral Chlorite Subordinate mineral (1-10%)

Ore mineral Pyrrhotite Major mineral (>10%)

Ore mineral Magnetite Subordinate mineral (1-10%)

Ore mineral Chalcopyrite Accessory mineral (<1%)

Ore mineral Pyrite Accessory mineral (<1%)

Lithology:

Relationship Rock Origin

Wall rock Quartz-mica scist Sedimentary
Original rock :Greywacke

Metamorphic facies :Amphibolite

Structures

Location: Type: Orientation(360 gr.): Relation to min.:

Wall rock Schistosity Strike/Dip :88 / 30 Post-mineralisation ;...Effect :None

Wall rock Foliation Strike/Dip :152 / 20 Post-mineralisation ;...Effect :None

Information(s) in free text format

Free text

Forekomsten er kalt Øvervangen gruve på eldre kart (Bredesen 1903), men nærmere opplysninger om skjerpeaktiviteten foreligger ikke. Den ble undersøkt av A/S Sulfidmalm i 1974, men er ikke registrert av Odd Nilsen (1978) i hans oversikt over forekomster i det sørlige Trondheimfeltet. Et relativt stort skjerp er sprengt ut opp mot toppen av en sørvestvendt skråning som ligger vest for stien opp fra Overvangen. Skjerpet er 10 m langt, opptil 5 m bredt med en 5 m høy vegg i nordøst. Det er vanskelig å studere mineraliseringene i de steile, rustfargete veggene i skjerpet, men mineraliseringstypene er representert i den 60 m3 store tippen nedenfor skjerpet. Magnetkis er dominerende sulfid og opptrer i semi-massive lag og som intenst årenettverk. Grunnmassen er kvarts, granat og amfibol rik, med mindre mengder plagioklas, kloritt og biotitt. I tillegg finnes massive linser med magnetitt som er opptil 30 cm mektige. Den mineraliserte sonen er ca. 4 m mektig og overlagres av kvarts-glimmerskifer med foliasjon 152°/20° på toppen av skjæringen. Under malmsona finnes klorittrik fyllittisk skifer med skifrighet 88°/30°. Mineraliseringen kan følges stedvis langs stien på toppen av ryggen videre nordvestover og er da orientert 320°/15°.

Photo(s) from the Deposit area:

Photo no. 1 showing Nybergåsen skjerp"

Bibliography:

From NGU's Reference Archive:

Bredesen, B. , 1903

Kvikne grube. Ertsforekomster 1:10 000

;Norges geologiske undersøkelse;KART;Bergarkivet; No.K 2105

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

Sivertsen, R. 1975: Geological, geophysical and diamond drilling investigations in the Kvikne area 1974. Project 905.20. Bergvesenet rapport nr. BV 1014, 21s.

Fieldsamples

Sample No. Sample type Miscellanrous

HE0129.01 Dump

Sampler :J.S. Sandstad/...Stored :Løkken

Comment :Semi-massiv, finkornet magnetkis+pyritt, granat-kvarts-amfibol matriks

No. of registrated element analyses = 1

HE0129.02 Dump

Sampler :J.S. Sandstad/...Stored :Løkken

Comment :Semi-massiv, finkornet magnetkis+pyritt, granat-kvarts-plagioklas-amfibol (stråleforma) matriks

No. of registrated element analyses = 1

HE0129.03 Dump

Sampler :J.S. Sandstad/...Stored :Løkken

Comment :Magnetkis+pyritt årenettverk/semi-massiv, finkornet, amfibol-granat-kvarts-kloritt matriks

No. of registrated element analyses = 1

HE0129.04 Bedrock

Sampler :J.S. Sandstad/...Stored :Løkken

Comment :Semi-massiv, finkornet magnetitt+magnetkis+kobberkis, gulbrun vitra grunnmasse

No. of registrated element analyses = 1

HE0129.05 Bedrock

Sampler :J.S. Sandstad/...Stored :Løkken

Comment :Finkornet magnetkis disseminasjon i granat-biotitt rik, skifrig bergart

No. of registrated element analyses = 1

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

Analyse Results

from

Deposit Area 437 - 032 Nybergåsen

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#

HE0129.01 Dump 276 28 13 52 86 .7 17.0

HE0129.02 Dump 569 38 18 38 86 .2 4.0

HE0129.03 Dump 734 28 3 73 105 .2 7.0

HE0129.04 Bedrock 1352 46 19 42 97 .2 1.0

HE0129.05 Bedrock 415 80 7 42 61 .2 3.0

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

Sample No. Pt# Pd# As* Cd* Ba* Mo* Sb* Bi* S%

HE0129.01 9.0 20.0 3 .1 8 17.00 19 3 9.50

HE0129.02 4.0 9.0 1 .1 7 6.00 13 2 10.70

HE0129.03 5.0 12.0 1 .1 58 3.00 10 2 9.87

HE0129.04 2.0 10.0 1 .1 6 2.00 4 2 7.83

HE0129.05 51.0 10.0 3 .2 356 5.00 19 2 4.59

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

Sample No. V* Cr* Mn* Fe% Th* U* W* Sr* La*

HE0129.01 32 23 1530 19.98 4.00 4.00 1 12.0 22.00

HE0129.02 25 10 2418 21.27 7.00 4.00 1 41.0 31.00

HE0129.03 39 24 1535 18.07 11.00 23.00 1 18.0 42.00

HE0129.04 188 1 437 55.00 3.00 4.00 1 0.5 1.00

HE0129.05 86 44 1763 13.67 8.00 8.00 1 11.0 30.00

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

Sample No. B*

HE0129.01 2

HE0129.02 3

HE0129.03 3

HE0129.04 2

HE0129.05 2

From - To	Activity	Comments
1974 - 1974	Sampling	Company/Institution :A/S Sulfidmalm
1998 - 1998	Sampling	Company/Institution :NGU

Era:	Proterozoic	Period:	Neoproterozoic
Dating:		Method:
Genesis:	Volcex	Form:	Lens
Main texture:	Structureless	Min. distribution:	Semi-massive (20-50 % ore minerals)

	Province:	Caledonides
	Geotec.unit:	Trondheim Nappe Complex
	Tectonic complex:	Gula Nappe
	Igneous complex:

Relationship	Mineral	Amount
Gangue mineral	Quartz	Major mineral (>10%)
Gangue mineral	Amphibole	Major mineral (>10%)
Gangue mineral	Garnet	Major mineral (>10%)
Gangue mineral	Biotite	Subordinate mineral (1-10%)
Gangue mineral	Plagioclase	Subordinate mineral (1-10%)
Gangue mineral	Chlorite	Subordinate mineral (1-10%)
Ore mineral	Pyrrhotite	Major mineral (>10%)
Ore mineral	Magnetite	Subordinate mineral (1-10%)
Ore mineral	Chalcopyrite	Accessory mineral (<1%)
Ore mineral	Pyrite	Accessory mineral (<1%)

Relationship	Rock	Origin
Wall rock	Quartz-mica scist	Sedimentary Original rock :Greywacke
		Metamorphic facies :Amphibolite

Location:	Type:	Orientation(360 gr.):	Relation to min.:
Wall rock	Schistosity	Strike/Dip :88 / 30	Post-mineralisation ;...Effect :None
Wall rock	Foliation	Strike/Dip :152 / 20	Post-mineralisation ;...Effect :None

Sample No.	Sample Type	Cu*	Zn*	Pb*	Co*	Ni*	Ag*	Au#
HE0129.01	Dump	276	28	13	52	86	.7	17.0
HE0129.02	Dump	569	38	18	38	86	.2	4.0
HE0129.03	Dump	734	28	3	73	105	.2	7.0
HE0129.04	Bedrock	1352	46	19	42	97	.2	1.0
HE0129.05	Bedrock	415	80	7	42	61	.2	3.0

Sample No.	Pt#	Pd#	As*	Cd*	Ba*	Mo*	Sb*	Bi*	S%
HE0129.01	9.0	20.0	3	.1	8	17.00	19	3	9.50
HE0129.02	4.0	9.0	1	.1	7	6.00	13	2	10.70
HE0129.03	5.0	12.0	1	.1	58	3.00	10	2	9.87
HE0129.04	2.0	10.0	1	.1	6	2.00	4	2	7.83
HE0129.05	51.0	10.0	3	.2	356	5.00	19	2	4.59

Sample No.	V*	Cr*	Mn*	Fe%	Th*	U*	W*	Sr*	La*
HE0129.01	32	23	1530	19.98	4.00	4.00	1	12.0	22.00
HE0129.02	25	10	2418	21.27	7.00	4.00	1	41.0	31.00
HE0129.03	39	24	1535	18.07	11.00	23.00	1	18.0	42.00
HE0129.04	188	1	437	55.00	3.00	4.00	1	0.5	1.00
HE0129.05	86	44	1763	13.67	8.00	8.00	1	11.0	30.00