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	Occurence 5042 - 017 Ingjelsvasselva
	(Object Id: 316) (Last updated: 16.05.2006)

Mineralization

	Era:	Paleozoic	Period:	Ordovician
	Genesis:	Volcex	Form:
	Main texture:		Min. distribution:

Main grain size:

Main alteration:

	Strike/Dip:		Direction:
			Plunge:

Stratigraphic classification of host rock

Era:

Paleozoic

Period:

Ordovician

	Province:	Caledonides
	Geotec.unit:	Køli Nappe Complex
	Tectonic complex:
	Igneous complex:	Skorovass Complex

Group:

Gjersvik

Formation:

Information(s) in free text format

Free text

Forekomsten er beskrevet av Oftedahl (1958) som en svak kisimpregnert sone på begge sider av elva og på en holme midt i elva. Ingen andre opplysninger foreligger.

Bibliography:

From NGU's Reference Archive:

Oftedahl, Christoffer , 1958

	Oversikt over Grongfeltets skjerp og malmforekomster.

;Norges geologiske undersøkelse;TIDSSKRIFTARTIKKEL;NGU; No.202;1-75 + fo pages

Abstract:

Ore occurences of the Grong area: In the period 1910-1918 a great number of ore occurences were discovered in the Grong area. The late state geologist Steinar Foslie mapped the area in the years 1922-1931. Foslie also mapped all claims and occurences and made special field investigations in a few cases. This book presents a survey of all occurences chiefly based on the field observations of Foslie. In addition the present author has done some field work in connection with the three large deposits, Joma, Skorovass, and Gjersvik. The map, Plate 1, shows the areal geology and the location of the occurrences, numbered from 1 to 131. the ore of the occurrences is chiefly pyrite. The larger occurrences also contain some chalcopyrite and sphalerite etc. and the smaller occurrences contain ither pure pyrite with some magnetite. The Joma deposit (No. 1), contains about 15.5 mill. tons of ore. The ore zone forms an arc and is situated within a thick series of greenstones (Fig. 1). The Skorovass mine (No. 2), contains about 7,5 mill. tons of ore. The deposit is situated in a greenstone complex (Fig. 7), and is immediately surrounded by asid tuffs of quartz keratophyric composition (Table 1).

Fieldsamples

	Sample No.	Sample type	Miscellanrous
	HK90-235	Bedrock	Sampler: Karlstrøm, H. Comment: Pyrite dissemination and thin bands in chlorite schist. No. of registrated element analyses = 1
	HK90-236S	Bedrock	Sampler: Karlstrøm, H. Comment: Rusty chlorite schist. No. of registrated element analyses = 1

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

Name of Sample point: Prøvepunkt 1

(Object Id: 636 17,00,01)

Location

County:

Trøndelag

Municipality:

Lierne (5042)

Map 1:50000:

Tunnsjøen (1924-3)

Map 1:250000:

Grong

Coordinate system:

EU89-UTM Zone 33

East:

423982 m.

North:

7173299 m.

Longitude:

13.4071070

Latitude:

64.6759800

Show on map

Resource

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

Fieldsamples

	Sample No.	Sample type	Miscellanrous
	HK90-237	Bedrock	Sampler: Karlstrøm, H. Comment: Pyrite dissemination and minor lenses in greenschist. No. of registrated element analyses = 1

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

---

Analyse Results

from

Deposit Area 5042 - 017 Ingjelsvasselva

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#
HK90-235	Bedrock	463	604	10	32	8	.6	10.0
HK90-236S	Bedrock	1302	4987	69	25	7	2.3	13.0
HK90-237	Bedrock	92	45	3	29	7	.1	1.0

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

Sample No.	Pt#	Pd#	As*	Cd*	Ba*	Mo*	Sb*	Bi*	S%
HK90-235	1.0	2.0	57	.8	12	1.00	2	2	4.78
HK90-236S	1.0	2.0	55	14.1	11	1.00	3	5	4.73
HK90-237	1.0	2.0	4	.2	1	1.00	2	2	2.13

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

Sample No.	V*	Cr*	Mn*	Fe%	Th*	U*	W*	Sr*	La*
HK90-235	162	5	2993	16.31	1.00	5.00	1	4.0	2.00
HK90-236S	91	12	2683	15.33	2.00	5.00	1	4.0	2.00
HK90-237	76	3	448	3.79	1.00	5.00	1	9.0	2.00

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

Sample No.	B*
HK90-235	2
HK90-236S	2
HK90-237	2

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The fact sheet was created on 29.04.2024

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