WORKING GROUP "NATURAL STONES AND WEATHERING"

Photo atlas of weathering forms on stone monuments


Reference:
FITZNER, B.& HEINRICHS, K. (2004): Photo atlas of weathering forms on stone monuments.
http://www.stone.rwth-aachen.de


Group 2 – Discoloration / Deposits


Coloration (Dc) Weathering form: Coloration (Dc)
Stone type: Marble
Location: Certosa, Pavia / Italy
Scale:Width of the image: appr. 40 cm
 
 
 
 
 
 
 
 
 

Coloration (Dc) Weathering form: Coloration (Dc)
Stone type: Soapstone
Location: Sculpture, Congonhas / Brazil
Scale:Height of the image: appr. 15 cm
 
 
 
 

Bleaching (Db) Weathering form: Bleaching (Db)
Stone type: Limestone
Location: Residential house, Aachen / Germany
Scale:Width of the image: appr. 45 cm
 
 
 
 
 
 
 
 
 

Soiling by particles from the atmosphere (pI) Weathering form: Soiling by particles from the atmosphere (pI)
Stone type: Sandstone
Location: Cathedral, Zeitz / Germany
Scale:Height of the image: appr. 1.5 m
 
 
 
 
 
 
 
 
 

Soiling by particles from the atmosphere (pI) Weathering form: Soiling by particles from the atmosphere (pI)
Stone type: Limestone
Location: Mosque, Cairo / Egypt
Scale:Width of the image: appr. 55 cm
 
 
 
 

Soiling by particles from water (wI) Weathering form: Soiling by particles from water (wI)
Stone type: Basaltic lava, tuff
Location: University, Aachen / Germany
Scale:Width of the image: appr. 115 cm
 
 
 
 

Soiling by droppings (gI) Weathering form: Soiling by droppings (gI)
Stone type: Limestone
Location: Cathedral, Naumburg / Germany
Scale:Height of the image: appr. 80 cm
 
 
 
 
 
 
 
 
 

Soiling due to anthropogenic impact (aI) Weathering form: Soiling due to anthropogenic impact (aI)
Stone type: Limestone
Location: Masonry, Cairo / Egypt
Scale:Height of the image: appr. 1 m
 
 
 
 

Efflorescences (Ee) Weathering form: Efflorescences (Ee)
Stone type: Limestone
Location: Mosque, Cairo / Egypt
Scale:Height of the image: appr. 60 cm
 
 
 
 
 
 
 
 
 

Efflorescences (Ee) Weathering form: Efflorescences (Ee)
Stone type: Sandstone
Location: Masonry, Zeitz / Germany
Scale:Height of the image: appr. 90 cm
 
 
 
 

Subflorescences (Ef) Weathering form: Subflorescences (Ef)
Stone type: Sandstone
Location: St. Stephan Chapel, Ergersheim / Germany
Scale:Width of the image: appr. 25 cm
 
 
 
 

Subflorescences (Ef) Weathering form: Subflorescences (Ef)
Stone type: Sandstone
Location: Horus Temple, Edfu / Egypt
Scale:Width of the image: appr. 15 cm
 
 
 
 

Dark-colored crust tracing the surface (dkC) Weathering form: Dark-colored crust tracing the surface (dkC)
Stone type: Limestone
Location: Cathedral, Halberstadt / Germany
Scale:Width of the image: appr. 1 m
 
 
 
 

Dark-colored crust tracing the surface (dkC) Weathering form: Dark-colored crust tracing the surface (dkC)
Stone type: Tuff
Location: Monastery, Knechtsteden / Germany
Scale:Height of the image: appr. 80 cm
 
 
 
 

Dark-colored crust changing the surface (diC) Weathering form: Dark-colored crust changing the surface (diC)
Stone type: Limestone
Location: Sculpture, Cathedral, Naumburg / Germany
Scale:Height of the head: appr. 30 cm
 
 
 
 
 
 
 
 
 

Light-colored crust tracing the surface (hkC) Weathering form: Light-colored crust tracing the surface (hkC)
Stone type: Sandstone
Location: Ed-Der / Monastery, Petra / Jordan
Scale:Height of the image: appr. 35 cm
 
 
 
 

Light-colored crust changing the surface (hiC) Weathering form: Light-colored crust changing the surface (hiC)
Stone type: Porous limestone
Location: Mosque, Cairo / Egypt
Scale:Width of the dimension stone: appr. 30 cm
 
 
 
 

Light-colored crust changing the surface (hiC) Weathering form: Light-colored crust changing the surface (hiC)
Stone type: Sandstone
Location: Castle, Gelnhausen / Germany
Scale:Height of the image: appr. 1.5 m
 
 
 
 
 
 
 
 
 

Colored crust tracing the surface (fkC) Weathering form: Colored crust tracing the surface (fkC)
Stone type: Marble
Location: Sanctuary of Demeter, Eleusis / Greece
Scale:Height of the image: appr. 55 cm
 
 
 
 

Colored crust tracing the surface (fkC) Weathering form: Colored crust tracing the surface (fkC)
Stone type: Quartzite
Location: Church of Sao Francisco des Assis, Ouro Preto / Brazil
Scale:Height of the image: appr. 30 cm
 
 
 
 

Colored crust changing the surface (fiC) Weathering form: Colored crust changing the surface (fiC)
Stone type: Sandstone
Location: Tomb carved from bedrocks, Petra / Jordan
Scale:Width of the image: appr. 20 cm
 
 
 
 

Microbiological colonization (Bi) Weathering form: Microbiological colonization (Bi)
Stone type: Limestone
Location: Sculpture, Torcello / Italy
Scale:Width of the head: appr. 20 cm
 
 
 
 

Microbiological colonization (Bi) Weathering form: Microbiological colonization (Bi)
Stone type: Sandstone
Location: Castle, Haut Koenigsbourg / France
Scale:Height of the image: appr. 35 cm
 
 
 
 

Microbiological colonization (Bi) Weathering form: Microbiological colonization (Bi)
Stone type: Tuff
Location: Moai, Easter Island / Chile
Scale:Height of the statue: appr. 5 m
 
 
 
 
 
 
 
 
 

Colonization by higher plants (Bh) Weathering form: Colonization by higher plants (Bh)
Stone type: Sandstones
Location: Temple, Angkor / Cambodia
Scale:Height of the image: appr. 5 m
 
 
 
 
 
 
 
 
 

Colonization by higher plants (Bh) Weathering form: Colonization by higher plants (Bh)
Stone type: Sandstone
Location: Lion Triclinium, Petra / Jordan
Scale:Height of the image: appr. 2 m
 
 
 
 
 
 
 
 
 

Colonization by higher plants (Bh) Weathering form: Colonization by higher plants (Bh)
Stone type: Travertine
Location: Wall, Meersburg / Germany
Scale:Width of the image: appr. 1 m
 
 
 
 

Coloration to dark colored crust tracing the surface (Dc-dkC) Weathering form: Coloration to dark colored crust tracing the surface (Dc-dkC)
Stone type: Sandstone
Location: Town hall, Hamburg / Germany
Scale:Height of the image: appr. 1.4 m
 
 
 
 
 
 
 
 
 

Coloration to colored crust tracing the surface (Dc-fkC) Weathering form: Coloration to colored crust tracing the surface (Dc-fkC)
Stone type: Limestone
Location: Cathedral, Halberstadt / Germany
Scale:Width of the image: appr. 80 cm
 
 
 
 

Soiling by particles from the atmosphere to dark-colored crust tracing the surface (pI-dkC) Weathering form: Soiling by particles from the atmosphere to dark-colored crust tracing the surface (pI-dkC)
Stone type: Limestone
Location: Town hall, Aachen / Germany
Scale:Height of the image: appr. 2 m
 
 
 
 
 
 
 
 
 

Soiling by particles from the atmosphere to dark-colored crust changing the surface (pI-diC) Weathering form: Soiling by particles from the atmosphere to dark-colored crust changing the surface (pI-diC)
Stone type: Limestone
Location: St. Wenzel Church, Naumburg / Germany
Scale:Width of the image: appr. 25 cm
 
 
 
 
 
 
 
 
 

Efflorescences to light-colored crust tracing the surface (Ee-hkC) Weathering form: Efflorescences to light-colored crust tracing the surface (Ee-hkC)
Stone type: Sandstone
Location: Castle, Nuremberg / Germany
Scale:Width of the image: appr. 1.3 m
 
 
 
 

Efflorescences to light-colored crust tracing the surface (Ee-hkC) Weathering form: Efflorescences to light-colored crust tracing the surface (Ee-hkC)
Stone type: Tuff
Location: St. Martin Church, Düsseldorf / Germany
Scale:Height of the image: appr. 50 cm
 
 
 
 
 
 
 
 
 

Efflorescences to light-colored crust tracing the surface (Ee-hkC) Weathering form: Efflorescences to light-colored crust tracing the surface (Ee-hkC)
Stone type: Sandstone
Location: Temple of the Winged Lion, Petra / Jordan
Scale:Height of the image: appr. 1.2 m
 
 
 
 
 
 
 
 
 

Microbiological colonization to dark-colored crust tracing the surface (Bi-dkC) Weathering form: Microbiological colonization to dark-colored crust tracing the surface (Bi-dkC)
Stone type: Quartzite
Location: Monastery, Caraca / Brazil
Scale:Width of the image: appr. 1.3 m
 
 
 
 
 
 
 
 
 

Microbiological colonization to dark-colored crust tracing the surface (Bi-dkC) Weathering form: Microbiological colonization to dark-colored crust tracing the surface (Bi-dkC)
Stone type: Sandstone / limestone
Location: Collegiate Church, Thann / France
Scale:Width of the image: appr. 1 m