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Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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K'ulf Āmba deposit, North Wollo Zone, Amhara Region, Ethiopiai
Regional Level Types
K'ulf Āmba depositDeposit
North Wollo ZoneZone
Amhara RegionRegion
EthiopiaCountry

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Latitude & Longitude (WGS84):
11° 52' 0'' North , 39° 22' 59'' East
Latitude & Longitude (decimal):
11.86667,39.38333
GRN:
N08E28
Type:
Deposit
Köppen climate type:
Cwb : Subtropical highland climate or temperate oceanic climate with dry winters
Nearest Settlements:
PlacePopulationDistance
Robīt20,679 (2006)31.9km
Lalībela11,152 (2018)40.9km
Mindat Locality ID:
423495
Long-form identifier:
mindat:1:2:423495:4
GUID (UUID V4):
0


Stratiform layered ore ranging in thickness from 2 to 50 cm.
Concretionary, botryoidally precipitated concretions, encrustations and/or coatings on mudrock and sandstone substrates.
Vein and fracture fillings ranging in thickness from few mm up to 25 cm.

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.


Mineral List


5 valid minerals.

Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ 'Alkali Feldspar'
ⓘ Goethite
Formula: Fe3+O(OH)
ⓘ Hematite
Formula: Fe2O3
ⓘ Manganite
Formula: Mn3+O(OH)
ⓘ Pyrolusite
Formula: Mn4+O2
ⓘ Quartz
Formula: SiO2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘGoethite4.00.Fe3+O(OH)
ⓘHematite4.CB.05Fe2O3
ⓘQuartz4.DA.05SiO2
ⓘPyrolusite4.DB.05Mn4+O2
ⓘManganite4.FD.15Mn3+O(OH)
Unclassified
ⓘ'Alkali Feldspar'-

List of minerals for each chemical element

HHydrogen
Hⓘ GoethiteFe3+O(OH)
Hⓘ ManganiteMn3+O(OH)
OOxygen
Oⓘ GoethiteFe3+O(OH)
Oⓘ HematiteFe2O3
Oⓘ ManganiteMn3+O(OH)
Oⓘ PyrolusiteMn4+O2
Oⓘ QuartzSiO2
SiSilicon
Siⓘ QuartzSiO2
MnManganese
Mnⓘ ManganiteMn3+O(OH)
Mnⓘ PyrolusiteMn4+O2
FeIron
Feⓘ GoethiteFe3+O(OH)
Feⓘ HematiteFe2O3

Other Regions, Features and Areas containing this locality

AfricaContinent
African PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Getaneh, Worash; Ayalew, Dereje; Zemelak, Adise; Atnafu, Balmwal (2022) Metallogenic implications of volcanic quiescence during continental flood basalt eruption – The case of sediment hosted Mn-Fe mineralization in the Ethiopian volcanic plateau. Ore Geology Reviews, 145. p.104884. doi:10.1016/j.oregeorev.2022.104884
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