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Photo ID: h4utapSubject: Sedimentary RocksDescription
Banding; Deposition; Diffusion; Hydrology; Rings; Sandstone; Sedimentary Structures; WaterLiesegang banding in sandstone. These patterns, termed Liesegang banding (or rings) by geologists, were formed deep underground by the rhythmic deposition of various iron and manganese compounds from mineral-rich water that once flowed within the rock. Some examples are fan-shaped, others closely resemble sedimentary cross-bedding (but their orientation can be seen to cut primary, sedimentary features).
PhotographerLocation
Marli Miller

Credit Line: Copyright Marli Miller, University of Oregon
North America
Photo Quality | Large 

Photo ID: h4utciSubject: Sedimentary RocksDescription
Banding; Deposition; Diffusion; Fractures; Hydrology; Rings; Sandstone; Sedimentary Structures; WaterFracture-controlled Liesegang banding.
PhotographerLocation
Marli Miller

Credit Line: Copyright Marli Miller, University of Oregon
North America; United States; Nevada
Photo Quality | Large 

Photo ID: ha48usSubject: Metamorphic RocksDescription
Banding; Fabric; Felsic; Gneiss; Petrology; Regional Metamorphism; Rock CycleGneiss sample.
PhotographerLocation
Dr. Richard Busch

Credit Line: Copyright Dr. Richard Busch
NA
Photo Quality | Large 

Photo ID: hc2gdmSubject: MineralsDescription
Banding; Borates; Carbonates; Hydrous Copper Carbonate; Mineralogy; Monoclinic; Nitrates; OresPolished malachite sample.
PhotographerLocation
Stonetrust

Credit Line: Copyright StoneTrust, Inc.
Africa; Congo; Belgian Congo
Photo Quality | Large 

Photo ID: hdek2vSubject: StructureDescription
Banding; Chevron Folds; Conjugate; Conjugate Folds; Deformation; Folds; Kink Band Structures; Kink Bands; Kink Folds; Kinks; Plate Tectonics; Structural Analysis; Structural Geology; TectonicsConjugate (same age) kink bands.
PhotographerLocation
Marli Miller

Credit Line: Copyright Marli Miller, University of Oregon
North America
Photo Quality | Large 

Photo ID: hdeki8Subject: StructureDescription
Banding; Cambrian; Chevron Folds; Deformation; Folds; Kink Band Structures; Kink Bands; Kink Folds; Kinks; Metamorphic Rocks; Paleozoic; Petrology; Plate Tectonics; Prospect Mountain; Quartzite; Structural Analysis; Structural Geology; TectonicsKink bands in the Cambrian Prospect Mountain quartzite. Hammer for scale.

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PhotographerLocation
Marli Miller

Credit Line: Copyright Marli Miller, University of Oregon
North America; United States; Nevada; North Snake Range
Photo Quality | Large 

Photo ID: hl4hrdSubject: StructureDescription
Banding; Chevron Folds; Deformation; Folding; Folds; Metamorphic Rocks; Metamorphism; Metasandstones; Migmatite; Migmatitic; Petrology; Structural Geology; TectonicsChevron folds in migmatitic metasandstone of the Central Blue Ridge - probably third generation folds.
PhotographerLocation
Marcus Milling

Credit Line: Copyright Marcus Milling, American Geological Institute
North America; United States; North Carolina; Standing Rock Overlook
Photo Quality | Large 

Photo ID: hl4ipwSubject: StructureDescription
Banding; Chevron Folds; Deformation; Folding; Folds; Metamorphic Rocks; Metamorphism; Metasandstones; Migmatite; Migmatitic; Petrology; Structural Geology; TectonicsBlock of banded, migmatic metasandstone of the central Blue Ridge (Cartoogechaye terrane) contains some tight folds, probably third generation.
PhotographerLocation
Marcus Milling

Credit Line: Copyright Marcus Milling, American Geological Institute
North America; United States; North Carolina; Standing Rock Overlook
Photo Quality | Large 

Photo ID: ho7hmaSubject: Sedimentary RocksDescription
Archean; Banded Iron; Banding; BIF; Chemically Precipitated Rocks; Iron; Iron Formations; Mineral Deposits; MineralogyMany of the world's most massive iron ore deposits are banded iron formations laid down by bacteria in late Archean times.

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PhotographerLocation
Thomas McGuire

Credit Line: Copyright Thomas McGuire
North America; United States; Arizona; Lake Pleasant
Photo Quality | Large 

Photo ID: i8bkgkSubject: StructureDescription
Banding; Boudinage; Deformation; Foliation; Gneisses; Metamorphic Rocks; Pull-Apart Structures; Quartz VeinsThis gneiss in Alaska's Fairweather Mountains exhibits typical gneissic structure along with boudinage and quartz veins.
PhotographerLocation
Bruce Molnia

Credit Line: Copyright Bruce Molnia, Terra Photographics
North America; United States; Alaska; Fairweather Mountains
Photo Quality | Large 

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