IMPORTANT MESSAGE. We need your support now to keep mindat.org running. Click here to find out why.
Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for Educators
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsUsersBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Pedro Alves' Photo Gallery

Buildings

Fonte de António Medeiro Mine, Mértola, Mértola, Beja District, Portugal

The old buildings which supported the mining activity.
Copyright: © Pedro Alves      Photo ID: 909623     Uploaded by: Pedro Alves   View Count: 3   Approval status: Public galleries    Type: Photo - 4160 x 3120 pixels (13.0 Mpix)

Flooded entry - August 2018

Fonte de António Medeiro Mine, Mértola, Mértola, Beja District, Portugal

The well is now (08-2018) flooded to the surface.
Copyright: © Pedro Alves      Photo ID: 909622     Uploaded by: Pedro Alves   View Count: 10   Approval status: Public galleries    Type: Photo - 4160 x 3120 pixels (13.0 Mpix)

Piled baryte

Fonte de António Medeiro Mine, Mértola, Mértola, Beja District, Portugal

Although it was a lead mine, galena is quite hard to find. Baryte is more common and can be found as small mounts of piled material.
Copyright: © Pedro Alves      Photo ID: 909621     Uploaded by: Pedro Alves   View Count: 10   Approval status: Public galleries    Type: Photo - 4160 x 3120 pixels (13.0 Mpix)

A view of the dumps - August 2018

Fonte de António Medeiro Mine, Mértola, Mértola, Beja District, Portugal

A view of the dumps of Fonte de António Medeiro Mine.
Although it was a lead mine, galena is quite hard to find.
Copyright: © Pedro Alves      Photo ID: 909620     Uploaded by: Pedro Alves   View Count: 5   Approval status: Public galleries    Type: Photo - 4160 x 3120 pixels (13.0 Mpix)

A view of the dumps - August 2018

Fonte de António Medeiro Mine, Mértola, Mértola, Beja District, Portugal

A view of the dumps of Fonte de António Medeiro Mine.
Although it was a lead mine, galena is quite hard to find.
Copyright: © Pedro Alves      Photo ID: 909619     Uploaded by: Pedro Alves   View Count: 6   Approval status: Public galleries    Type: Photo - 4160 x 3120 pixels (13.0 Mpix)

3KM-0XUPharmacosiderite : KFe3+4(AsO4)3(OH)4·6-7H2O

Sítio do Castelo Mine, Folgosinho, Gouveia, Guarda District, Portugal

Field of View: 255 μm

Group of pharmacosiderite crystals, with (100) modified by (111).
SEM image in EBSD mode.
Copyright: © Pedro Alves      Photo ID: 909618     Uploaded by: Pedro Alves   View Count: 11   Approval status: Public galleries    Type: Photo - 4096 x 3540 pixels (14.5 Mpix)

D7K-CMLLibethenite : Cu2(PO4)(OH)

Sítio do Castelo Mine, Folgosinho, Gouveia, Guarda District, Portugal

Field of View: 426 μm

Elongated libethenite crystals. EDS and XRD analyzed.
SEM image in EBSD mode.
Copyright: © Pedro Alves      Photo ID: 909617     Uploaded by: Pedro Alves   View Count: 5   Approval status: Public galleries    Type: Photo - 2048 x 1766 pixels (3.6 Mpix)

MVH-PCDPharmacosiderite : KFe3+4(AsO4)3(OH)4·6-7H2O, Eleonorite : Fe3+6(PO4)4O(OH)4·6H2O

Chão do Castanheiro, Mesquitela, Mangualde, Viseu District, Portugal

Field of View: 655 μm

Group of pharmacosiderite crystals (100 modified by 111) with eleonorite 'fibers'.
SEM image in EBSD mode.
Copyright: © Pedro Alves      Photo ID: 909616     Uploaded by: Pedro Alves   View Count: 10   Approval status: Public galleries    Type: Photo - 4096 x 3528 pixels (14.5 Mpix)

QT2-1J1Sphalerite : ZnS, Clinochlore : Mg5Al(AlSi3O10)(OH)8

Courela dos Gaviões Mine, São Luís, Odemira, Beja District, Portugal

Field of View: 2.99 mm

Group of sphalerite crystals with very altered (and iron stained) chlorites, inside a quartz vug.
Copyright: © Pedro Alves      Photo ID: 900237     Uploaded by: Pedro Alves   View Count: 27   Approval status: Public galleries    Type: Photo - 4413 x 3203 pixels (14.1 Mpix)

TXC-A9NJahnsite-(MnMnZn) : Mn2+Mn2+Zn2Fe3+2(PO4)4(OH)2·8H2O, Libethenite : Cu2(PO4)(OH)

Herdade dos Pendões Mine, São Luís, Odemira, Beja District, Portugal

Field of View: 1.12 mm

Group of honey-brown jahnsite-(MnMnZn) aggregates with green libethenite blades.
Only one sample of Jahnsite-(MnMnZn) was found. The original sample was subdivided into 3 parts, this is one of them.

This image was originally published in:
Alves, P. and Kampf, A.R. (2017) A mina de ferro e manganês da Herdade dos Pendões, Odemira, sudoeste de Portugal. Acopios, 8: 17-62.
Free download here:
https://issuu.com/malacate/docs/acopios_8-03
Copyright: © Pedro Alves      Photo ID: 894312     Uploaded by: Pedro Alves   View Count: 61   Approval status: Public galleries    Type: Photo - 3684 x 2763 pixels (10.2 Mpix)
Page 1 of 110 (1 to 10 of 1100 total)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 ...

Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2018, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: September 23, 2018 11:30:05
View slideshow - Go to top of page