Faktarka for Forekomstområde 1849

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	MALMDATABASEN
	Forekomstområde 1849 - 002
	(Sist oppdatert 23.okt.2024)

Navn på forekomstområde : Reinokskardet

(Objekt Id : 1849,002,00,00)

Lokalisering

Fylke :

Nordland (18)

Kommune :

Hamarøy (1849)

Kart 1:50000:

Linnajavrre (2230-3)

Kart 1:250000:

Sulitjelma

Markeringspunkt:

Lengdegrad:

16.2613630

Breddegrad:

67.6836760

EU89-UTM Zone 33

(Koordinatene ER bekreftet)

X-koord:

553447 m.

Y-koord:

7508141 m.

Materialtype

	Hovedtype:	Spesialmetaller (Nb,Ta,Be,Li,Sc,REE)	Subtype:	REE-metaller
			Element(er):	Zr Y Th U REE

Produksjon

Aktivitet:	Prospektering	Reserver:
Prod. metode:		Produksjon:
Prod. status:		Tippvolum:

Betydning

Offentlig: (Ingen data)

Økonomisk: Ikke vurdert

Mineralisering

Æra: Periode:

Datering: Metode:

Genese: Form:

Hovedtextur: Min. fordeling:

Kornstørrelse: Hovedomvandling:

Strøk/Fall: Retning:

Feltstupning:

Stratigrafisk klassifikasjon av vertsbergart

Æra: Periode:

Provins: Kaledonske grunnfjellsprovins

Geotek.enhet: Tysfjordkomplekset

Tektonisk complex:

Intrusivt komplex:

Gruppe: Formasjon:

Opplysning(er) i fritekstformat

Fri tekst

From his report from 2011 Müller (2011) writes the following: The target area north of Reinoksvatn was suggested in NGU report 2010.037 due to several distinct Th-radiation anomalies (Müller 2010). Because of the limited time in the field and the difficult accessibility of the area, the sampling was restricted to the Reinoksskardet at the western end of the Reinoksvatn anomaly (Fig. 26). Three representative, coarse-grained biotite granite gneiss samples (23091007, -08, -09) and one granite gneiss sample (23091005) from the contact with a granitic pegmatite were collected (Fig. 27). The latter had a gammaray intensity of 1400 cps. Samples 23091007 - 09 are characterized by elevated REO+Y2O3 of 0.101 to 0.134 wt.%, Zr of 374 to 509 ppm and Th of 32 to 41 ppm (Fig. 23). REE are enriched compared to average granite but with a pronounced negative Eu anomaly (Fig. 28). Sample 23091005 has low REO+Y2O3 of 0.025 wt.% and Zr of 37 ppm but is enriched in U (26 ppm) explaining the high gamma-radiation. The sample is strongly depleted in LREE probably due to the leaching of allanite and apatite in the granite gneiss near the pegmatite contact (Fig. 28). The most common accessory REE-bearing minerals are allanite (20-250 µm), apatite (20-60 µm) and zircon (20-120 µm) (Fig. 29). Very common allanite is responsible for the strong LREE enrichment. Secondary thorite and uraninite occur as alteration products of allanite It is eveident that this locality need additional sampling and exploration

Litteraturfortegnelser:

Fra NGU's Referansearkiv.:

Müller, Axel , 2011

Potential of rare earth element and Zr-, Be, U-, Th-, (W-) mineralisations in central and northern Nordland - Part 2

;Norges geologiske undersøkelse;RAPPORT;NGU-rapport; No.2011.021;56 sider

Abstrakt:

In this report results of the investigation of potential rare earth elements (REE) and Zr-, Be, U-, Th-, (W-) mineralisations in central and northern Nordland are presented. The investigated and sampled mineralisations were proposed in NGU report 2009.037 on the basis if existing reports and geochemical data sets. The investigation targets were evolved Proterozoic TIB-type granites (TIB = Trans-Scandinavian Igneous Belt) of the Tysfjord, Sommerset and Rishaugfjell basement windows, in particular, the Hatten- Tilthornet massif, Hundholmen, Kjerrfjellet, Hellemobotn, Reinoksskardet, upper Gjerdalen areas, the Sommerset basement Window, Rismålsvatn, and Memaurvatn. The general aim was to identify Zr-Ree mineralisations with >= 2wt.% REO (including Y2O3; REO - rare earth oxides) which are possibly enriched in Be, U and Th as well.

Feltprøver

Prøvenr. Prøvetype Diverse

23091005 Fastfjell

Prøvetaker :Axel M¿ller

Kommentar :coarse-grained biotite granite gneiss, mineralised, UTM east 553447, UTM north 7508142

Antall registrerte elementanalyser = 1

Antall registrerte oksydanalyser = 1

23091007 Fastfjell

Prøvetaker :Axel M¿ller

Kommentar :coarse-grained biotite granite gneiss, non-mineralised, UTM east 553446, UTM north 7508686

Antall registrerte elementanalyser = 1

Antall registrerte oksydanalyser = 1

23091008 Fastfjell

Prøvetaker :Axel M¿ller

Kommentar :coarse-grained biotite granite gneiss, non-mineralised, UTM east 553061, UTM north 7508248

Antall registrerte elementanalyser = 1

Antall registrerte oksydanalyser = 1

23091009 Fastfjell

Prøvetaker :Axel M¿ller

Kommentar :coarse-grained biotite granite gneiss, non-mineralised, UTM east 553350, UTM north 7507550

Antall registrerte elementanalyser = 1

Antall registrerte oksydanalyser = 1

NB! Alle analyseverdier er vist i slutten av utskriften.:

Analyseresultater

fra

Forekomstområde 1849 - 002 Reinokskardet

Elementanalyser
( *=parts pr. million, #=parts pr.billion, Negative verdier betyr under deteksjonsgrensen.)

Prøvenr. Prøvetype Cu* Zn* Pb* Co* Ni* Au# As*

23091005 Fastfjell 2 83 7 1 -0 -.5 1

23091007 Fastfjell 0 127 13 1 1 -.5 2

23091008 Fastfjell 1 128 10 1 1 -.5 2

23091009 Fastfjell 1 112 9 1 0 -.5 1

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

Prøvenr. Cd* Ba* Mo* Sn* Sb* Bi* Se* Ga* V*

23091005 -.1 140 0.60 6 -0 -0 -0.50 33.40 -8

23091007 -.1 303 1.40 4 -0 -0 -0.50 27.60 -8

23091008 -.1 308 4.80 4 -0 -0 -0.50 27.10 -8

23091009 -.1 239 0.90 5 -0 -0 -0.50 27.30 -8

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

Prøvenr. Th* U* W* Rb* Sr* Y* Zr* Nb* Cs*

23091005 28.80 25.90 1 485.6 29.2 75.8 37 52.10 4.00

23091007 40.60 10.20 1 305.0 54.4 90.6 499 46.70 3.30

23091008 39.20 8.90 1 277.9 67.1 96.3 509 48.20 2.70

23091009 31.80 8.60 1 301.6 49.4 83.0 374 40.10 3.00

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

Prøvenr. La* Ce* Pr* Nd* Sm* Eu* Gd* Tb* Dy*

23091005 8.70 32.90 4.87 25.80 9.70 0.52 10.03 1.97 12.68

23091007 210.90 461.20 46.65 160.10 24.54 1.06 18.41 2.92 16.38

23091008 229.10 501.20 50.17 173.80 25.84 1.02 18.93 3.02 16.71

23091009 177.80 370.00 37.10 123.60 19.36 0.77 13.69 2.29 13.11

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

Prøvenr. Ho* Er* Tm* Yb* Lu* Be* Hf* Hg* Tl*

23091005 2.76 8.90 1.38 9.00 1.25 8 2.70 -0 1

23091007 3.04 9.03 1.32 8.34 1.22 8 16.00 -0 1

23091008 3.29 9.37 1.37 8.83 1.26 6 15.40 -0 1

23091009 2.55 7.54 1.16 7.70 1.07 7 12.70 -0 1

Oksydanalyser
(Alle verdier er i %)

Prøvenr. Prøvetype SiO2 Al2O3 TiO2 Fe2O3 MnO MgO CaO

23091005 Fastfjell 71.00 14.34 0.09 2.35 0.03 0.09 1.01

23091007 Fastfjell 72.52 13.03 0.25 2.99 0.06 0.07 1.06

23091008 Fastfjell 71.81 13.53 0.27 3.14 0.06 0.13 0.96

23091009 Fastfjell 73.51 13.08 0.23 2.49 0.05 0.10 0.96

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

Prøvenr. Na2O K2O P2O5 Loss Sum

23091005 3.94 6.42 0.01 0.70 100.00

23091007 3.53 5.71 0.04 0.50 100.00

23091008 3.54 5.77 0.03 0.50 100.00

23091009 3.54 5.55 0.02 0.30 100.00

	Æra:		Periode:
	Datering:		Metode:
	Genese:		Form:
	Hovedtextur:		Min. fordeling:

	Provins:	Kaledonske grunnfjellsprovins
	Geotek.enhet:	Tysfjordkomplekset
	Tektonisk complex:
	Intrusivt komplex:

Prøvenr.	Prøvetype	Cu*	Zn*	Pb*	Co*	Ni*	Au#	As*
23091005	Fastfjell	2	83	7	1	-0	-.5	1
23091007	Fastfjell	0	127	13	1	1	-.5	2
23091008	Fastfjell	1	128	10	1	1	-.5	2
23091009	Fastfjell	1	112	9	1	0	-.5	1

Prøvenr.	Cd*	Ba*	Mo*	Sn*	Sb*	Bi*	Se*	Ga*	V*
23091005	-.1	140	0.60	6	-0	-0	-0.50	33.40	-8
23091007	-.1	303	1.40	4	-0	-0	-0.50	27.60	-8
23091008	-.1	308	4.80	4	-0	-0	-0.50	27.10	-8
23091009	-.1	239	0.90	5	-0	-0	-0.50	27.30	-8

Prøvenr.	Th*	U*	W*	Rb*	Sr*	Y*	Zr*	Nb*	Cs*
23091005	28.80	25.90	1	485.6	29.2	75.8	37	52.10	4.00
23091007	40.60	10.20	1	305.0	54.4	90.6	499	46.70	3.30
23091008	39.20	8.90	1	277.9	67.1	96.3	509	48.20	2.70
23091009	31.80	8.60	1	301.6	49.4	83.0	374	40.10	3.00

Prøvenr.	La*	Ce*	Pr*	Nd*	Sm*	Eu*	Gd*	Tb*	Dy*
23091005	8.70	32.90	4.87	25.80	9.70	0.52	10.03	1.97	12.68
23091007	210.90	461.20	46.65	160.10	24.54	1.06	18.41	2.92	16.38
23091008	229.10	501.20	50.17	173.80	25.84	1.02	18.93	3.02	16.71
23091009	177.80	370.00	37.10	123.60	19.36	0.77	13.69	2.29	13.11

Prøvenr.	Ho*	Er*	Tm*	Yb*	Lu*	Be*	Hf*	Hg*	Tl*
23091005	2.76	8.90	1.38	9.00	1.25	8	2.70	-0	1
23091007	3.04	9.03	1.32	8.34	1.22	8	16.00	-0	1
23091008	3.29	9.37	1.37	8.83	1.26	6	15.40	-0	1
23091009	2.55	7.54	1.16	7.70	1.07	7	12.70	-0	1

Prøvenr.	Prøvetype	SiO2	Al2O3	TiO2	Fe2O3	MnO	MgO	CaO
23091005	Fastfjell	71.00	14.34	0.09	2.35	0.03	0.09	1.01
23091007	Fastfjell	72.52	13.03	0.25	2.99	0.06	0.07	1.06
23091008	Fastfjell	71.81	13.53	0.27	3.14	0.06	0.13	0.96
23091009	Fastfjell	73.51	13.08	0.23	2.49	0.05	0.10	0.96

Prøvenr.	Na2O	K2O	P2O5	Loss	Sum
23091005	3.94	6.42	0.01	0.70	100.00
23091007	3.53	5.71	0.04	0.50	100.00
23091008	3.54	5.77	0.03	0.50	100.00
23091009	3.54	5.55	0.02	0.30	100.00