REF:U. S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707.P.124
Deposit:: GUITERAS,J.R.,1940,USBM I.C.7112.P.63
Commodities (Major) - Mica, Feldspar; (Minor) - Beryllium
Development Status: Occurrence
Host Rock Unit: Schist
Host Rock: Schist, Granite

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

ⓘ Beryllium

ⓘ Mica

Mineral List

2 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

ⓘ Granite

ⓘ Schist

Entries shown in red are rocks recorded for this region.

Igneous rock
- Normal crystalline igneous rock
  - Coarse-grained ("plutonic") crystalline igneous rock

Detailed Mineral List:

ⓘ Beryl

Formula: Be₃Al₂(Si₆O₁₈)

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ 'Mica Group'

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Quartz

Formula: SiO₂

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ 'Tourmaline'

Formula: AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ	Quartz	4.DA.05	SiO₂
Group 9 - Silicates
ⓘ	Beryl	9.CJ.05	Be₃Al₂(Si₆O₁₈)
Unclassified
ⓘ	'Tourmaline'	-	AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z
ⓘ	'Mica Group'	-

List of minerals for each chemical element

Be	Beryllium
Be	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
B	Boron
B	ⓘ Tourmaline	AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z
O	Oxygen
O	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
O	ⓘ Quartz	SiO₂
O	ⓘ Tourmaline	AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z
Al	Aluminium
Al	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
Si	Silicon
Si	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
Si	ⓘ Quartz	SiO₂

Other Regions, Features and Areas containing this locality

North AmericaContinent

North America PlateTectonic Plate

Wyoming CratonCraton
Wyoming DomainDomain

USA

Black HillsMountain Range

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