GAC/MAC Tanco Tour Sunday May 26, 1996
Mine location stops map
|Number||Stope (floor)||Number||Geologic Feature|
|1||12/14-SRR (190)||8||High grade pollucite core of the Pollucite Zone.|
|2||16-SNN/SPP (184)||5/8|| Low Grade Pollucite: a mixture of Pollucite Zone and
Upper Intermediate (Spodumene) Zone.
|3||16-SNN/SPP (184)||5|| Upper Intermediate Zone - Spodumene-Quartz lntergrowth
(SQUI) after primary petalite .
|4||11-SU (190)||5|| An approximately 10 metre "Tancocrystic" K-feldspar
crystal in the Upper Intermediate Zone.
|5||9-SP/SQ (190)||5|| A single petalite pseudomorph; also amblygonite, petalite
and pollucite found in the area.
|6||14-SM (190)||9||The Upper Southwest Zone Lepidolite Zone|
|7||7-H (330)||7 & 3||Typical Quartz Zone. Contact with the Saccharoidal Albite
Zone can be observed. The only known location at Tanco where
cleaveable quartz can be seen in situ.
|8||10-H (330)||2||Typical Wall Zone displaying megacrystic K-feldspar
|9||21-N (305)||6||Central Intermediate Zone: the lower portion of a tantalum
zone (O-Zone) in close proximity to a Quartz Zone.
||The "Lookout" A good view of room and pillar mining method.|
|11||12-N (330)||4||Banded aplite in the Lower Intermediate Zone in close
proximity to the Central Intermediate Zone.
|12||14-N (350)||2||"Hayward's Horse": A xenolith of host metagabbro
(amphibolite) within Zone 20. Such xenoliths generally
generate their own surrounding Wall Zone (Zone 20)
|13||Refuge Room||4||Typical Lower Intermediate Zone showing diverse (1st Level
Stn.) mineralogy (lithian muscovites, SQUI,