Fact Sheet for Deposit Area 1822

					Norsk versjon
	THE INDUSTRIAL MINERAL DATABASE
	Deposit Area 1822 - 307
	(Last updated 17.okt.2001)

Name of Deposit Area : Tjærstad

(Object Id : 1822,307,00,00)

Location

County :

Nordland (18)

Municipality :

Leirfjord (1822)

Map 1:50000:

Nesna (1827-2)

Map 1:250000:

Mo i Rana

Marking point:

Longitude:

12.9534950

Latitude:

66.0284760

EU89-UTM Zone 33

(Coordinates IS confirmed)

X-coord:

407232 m.

Y-coord:

7324598 m.

Commodity

Main Type:

Carbonates

Sub Type:

Limestone

Importance

Public: Little Importance (reg. 18.02.2015)

Economical: Minor interest , (Confirmed 28.mar.2001 by Odd Øvereng)

Products

Element/product Crude ore grade or quality

AGRLIM

Operations

From - To Activity Comments

1972 - 1972 Geochemistry Company/Institution :NGU

1972 - 1972 Sampling Company/Institution :NGU

Mineralization

Era: Paleozoic Period:

Dating: Method:

Genesis: Sedimentary/metamorphic Form: Layer

Main texture: Banded Min. distribution:

Main grain size: Fine - medium grained (<1mm - 3 mm)

Strike/Dip: Direction:

Plunge:

Stratigraphic classification of host rock

Era: Paleozoic Period:

Province: Caledonides

Geotec.unit: Helgeland Nappe Complex

Tectonic complex:

Igneous complex:

Group: Formation:

Mineralogy

Relationship Mineral Amount

Not defined Calcite Major mineral (>10%)

Not defined Dolomite Major mineral (>10%)

Not defined Quartz Subordinate mineral (1-10%)

Not defined Mica Subordinate mineral (1-10%)

Not defined Pyrite Accessory mineral (<1%)

Not defined Graphite Accessory mineral (<1%)

Not defined Feldspar Accessory mineral (<1%)

Bibliography:

From NGU's Reference Archive:

Bøckman, K.L. , 1967

Norges kalksteins- og kvartsforekomster.

;Elektrokemisk A/S;FAGRAPPORT; UTREDNINGSRAPPORT;Bergarkivet; No.BA 5245;89 + 61 pages

Fieldsamples

Sample No. Sample type Miscellanrous

NO0119.01 Bedrock

Comment :Ø 72 - 88, Overflateprøve

No. of registrated CaOMgO analyses = 1

NO0119.02 Bedrock

Comment :Ø 72 - 89, Overflateprøve

No. of registrated CaOMgO analyses = 1

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

Analyse Results

from

Deposit Area 1822 - 307 Tjærstad

Analysis of acid soluble CaO and Mgo

Analyzed values Derived values

Sample No. Sample Type Acid soluble CaO Acid soluble MgO Dolomite Calcite Unsolved

NO0119.01 Bedrock 30.14% 5.24% 23.97% 40.79% 35.25%

NO0119.02 Bedrock 30.70% 5.34% 24.42% 41.54% 34.04%

From - To	Activity	Comments
1972 - 1972	Geochemistry	Company/Institution :NGU
1972 - 1972	Sampling	Company/Institution :NGU

Era:	Paleozoic	Period:
Dating:		Method:
Genesis:	Sedimentary/metamorphic	Form:	Layer
Main texture:	Banded	Min. distribution:

	Province:	Caledonides
	Geotec.unit:	Helgeland Nappe Complex
	Tectonic complex:
	Igneous complex:

Relationship	Mineral	Amount
Not defined	Calcite	Major mineral (>10%)
Not defined	Dolomite	Major mineral (>10%)
Not defined	Quartz	Subordinate mineral (1-10%)
Not defined	Mica	Subordinate mineral (1-10%)
Not defined	Pyrite	Accessory mineral (<1%)
Not defined	Graphite	Accessory mineral (<1%)
Not defined	Feldspar	Accessory mineral (<1%)

NO0119.01	Bedrock	30.14%	5.24%	23.97%	40.79%	35.25%
NO0119.02	Bedrock	30.70%	5.34%	24.42%	41.54%	34.04%