Cat_Structure

DSCN0001.JPG
Route 4 south of Whitehall, NY. Gneiss with folds. FoldedFold.JPG
Route 4 south of Whitehall, NY. Gneiss with folds. FoldedGneiss.JPG
Route 4 south of Whitehall, NY. Gneiss with folds. Picture Fold.JPG
Picture fold, near Fairhaven, VT. Fold in Taconic sequence rocks. Note excellent axial planar cleavage developed. Lake Bomoseen.JPG
Lake Bomoseen quarry. Red and green Taconic slates.

BomoseenQuarry1.JPG
Fold in red slates, Bomoseen Quarry, VT. ReductionSpots2.JPG
Lake Bomoseen quarry. Green reduction spots (dead bugs?) KinkBands'68.jpg
Kink bands KinkBands2'68.jpg
Kink bands Rt4_Whitehall3.JPG
Ordovician shales and limestone beds folded into bizarre contortions. Rt. 4 east of Whitehall, NY.

Rt4_Whitehall.JPG
Closer view of folded shales and limestone beds, Rt. 4 east of Whitehall, NY. Rt4_Whitehall2.JPG
Closer view of folded shales and limestone beds, Rt. 4 east of Whitehall, NY. Box fold.JPG
Closer view of folded shales and limestone beds, Rt. 4 east of Whitehall, NY. In the center of the photo is a box fold. Stromatalites.JPG
NOT FOLDS!!! These are stromatolites, ancient algal mats in Ordivician limestones, NE of Whitehall, NY. Exit8_fold_2.JPG
Exit 8 off of I90, near Rensselaer, NY. Fold in sand layers is too tight, resulting in breakaway fault at termination of vertical sand bed just to the right and above the small tree.

Exit8_fold_1.JPG
Exit 8 off of I90, near Rensselaer, NY. Fold in sand layers is too tight, resulting in breakaway fault at termination of vertical sand bed just to the right and above the small tree. Exit_8_12.JPG
Sandy bed overlying shaly bed. Note refraction of cleavage at shale/sand interface Exit_8_13.JPG
Refraction of cleavage at shale/sandstone interface Pkill_rpd_10.JPG
Fold nose. Poestenkill rapids. DryCreekTh2'73.jpg
Dry Creek gneiss (Precambrian). Note small, dismembered fold.

Tranverse'73.jpg
Folds in beds near San Gabriel fault, Tranverse Ranges, southern California. San Andreas1.jpg
View of the San Andreas fault inside of a road cut. Note the complex geology (it is not a single, simple cut). San Andreas 2.jpg
View of the San Andreas fault inside of a road cut. Note the complex geology (it is not a single, simple cut). BigSheep Anti.jpg
Big Sheep anticline, Wyoming. BigSheepAnticline2.jpg
Big Sheep anticline, Wyoming. Lara Storm for scale.

Nor_4-33_L37_Sf.jpg
Sheath folds in Caldeonian gneisses, western Norway. Location 37. John Schumacher for scale with Pete Robinson in background. Nor_4-31_L37_Sf.jpg
Closeup of sheath folds in Caldeonian gneisses, western Norway. Location 37. Nor_4-26_L37.jpg
Refolded fold in Caldeonian gneisses, western Norway. Location 37. Nor_5-36_L46.jpg
Highly folded gneiss (original Rapakivi texture) Caldeonian gneisses, western Norway. Location 46. 6?
Folded microtexture in ductile shear zone.

9?
Sigma-shaped augen in ductile shear zone showing top-to-left sense of shear. Garabaldi2.jpg
Seno Garabaldi. Fjord off of Beagle Channel, southern Chile. Ice Breaker Hero for scale. CD 84 Pia#1.jpg
Seno Pia. Fjord off of Beagle Channel, southern Chile. Ice Breaker Hero for scale. Ian Dalziel (right). CD 84 Pia#2.jpg
Seno Pia. Folded schists. Pia_1.jpg
Seno Pia. Folded schists and gneisses with large garnets. Note excellent axial planar cleavage in garnet schist but no cleavage in other two rock types.

Pia_3.jpg
Seno Pia. Folded schists, gneisses and amphibolites. CD 84 Pia#5.jpg
Seno Pia. Folded schists and gneisses with large garnets. Note excellent axial planar cleavage in garnet schist but no cleavage in other two rock types. Pia_2.jpg
Seno Pia. Rotated garnet crystals in schist. CD 84 Beagle#01.jpg
Beagle Channel. Hero for scale. CD 84 Beagle#02.jpg
Folded rocks along Beagle Channel.

CD 84 Yend#01.jpg
Seno Yendagaia. CD 84 Yend#02.jpg
Seno Yendagaia. Folds in semi-schists. Yendegaia_16.jpg
Seno Yendagaia. Folds in semi-schists. CD 84 Yend#04.jpg
Seno Yendagaia. Folds in semi-schists. Yendegaia_4.jpg
Seno Yendagaia. Refolded folds. Note folded axial plane.

Yendegaia_3.jpg
Seno Yendagaia. Refolded folds. Note folded axial plane. CD 84 Yend#05.jpg
Seno Yendagaia. Refolded folds. Note folded axial plane. Yendegaia_2.jpg
Seno Yendagaia. Refolded folds. Note folded axial plane. Limpopo15.jpg
Limpopo. Danger, danger, danger. Limpopo02.jpg
Limpopo. Danger everywhere.

Limpopo12.jpg
Limpopo. Danger everywhere. Limpopo13.jpg
Limpopo. Danger everywhere. Limpopo05.jpg
Limpopo. Watch out for black mambas. Limpopo06.jpg
Limpopo. Boudinage in Archean gneisses. Limpopo07.jpg
Limpopo. Shear zones in partially melted gneisses.

Limpopo03.jpg
Limpopo. Basin and dome structures in Archean gneisses. Limpopo08.jpg
Limpopo. Basin and dome structures in Archean gneisses. Limpopo04.jpg
Limpopo. Folded amphibolite layer in gneisses. Limpopo10.jpg
Limpopo. Folded amphibolite layer in gneisses. Truncated by later dikes. Limpopo09.jpg
Limpopo. Offset dike.

Limpopo11.jpg
Limpopo. Dike. Is this a fault, or was it intruded this way? Limpopo14.jpg
Limpopo. Curiosity is evident even in lower primates.


DSCN0001.JPG Route 4 south of Whitehall, NY. Gneiss with folds.	FoldedFold.JPG Route 4 south of Whitehall, NY. Gneiss with folds.	FoldedGneiss.JPG Route 4 south of Whitehall, NY. Gneiss with folds.	Picture Fold.JPG Picture fold, near Fairhaven, VT. Fold in Taconic sequence rocks. Note excellent axial planar cleavage developed.	Lake Bomoseen.JPG Lake Bomoseen quarry. Red and green Taconic slates.

BomoseenQuarry1.JPG Fold in red slates, Bomoseen Quarry, VT.	ReductionSpots2.JPG Lake Bomoseen quarry. Green reduction spots (dead bugs?)	KinkBands'68.jpg Kink bands	KinkBands2'68.jpg Kink bands	Rt4_Whitehall3.JPG Ordovician shales and limestone beds folded into bizarre contortions. Rt. 4 east of Whitehall, NY.

Rt4_Whitehall.JPG Closer view of folded shales and limestone beds, Rt. 4 east of Whitehall, NY.	Rt4_Whitehall2.JPG Closer view of folded shales and limestone beds, Rt. 4 east of Whitehall, NY.	Box fold.JPG Closer view of folded shales and limestone beds, Rt. 4 east of Whitehall, NY. In the center of the photo is a box fold.	Stromatalites.JPG NOT FOLDS!!! These are stromatolites, ancient algal mats in Ordivician limestones, NE of Whitehall, NY.	Exit8_fold_2.JPG Exit 8 off of I90, near Rensselaer, NY. Fold in sand layers is too tight, resulting in breakaway fault at termination of vertical sand bed just to the right and above the small tree.

Exit8_fold_1.JPG Exit 8 off of I90, near Rensselaer, NY. Fold in sand layers is too tight, resulting in breakaway fault at termination of vertical sand bed just to the right and above the small tree.	Exit_8_12.JPG Sandy bed overlying shaly bed. Note refraction of cleavage at shale/sand interface	Exit_8_13.JPG Refraction of cleavage at shale/sandstone interface	Pkill_rpd_10.JPG Fold nose. Poestenkill rapids.	DryCreekTh2'73.jpg Dry Creek gneiss (Precambrian). Note small, dismembered fold.

Tranverse'73.jpg Folds in beds near San Gabriel fault, Tranverse Ranges, southern California.	San Andreas1.jpg View of the San Andreas fault inside of a road cut. Note the complex geology (it is not a single, simple cut).	San Andreas 2.jpg View of the San Andreas fault inside of a road cut. Note the complex geology (it is not a single, simple cut).	BigSheep Anti.jpg Big Sheep anticline, Wyoming.	BigSheepAnticline2.jpg Big Sheep anticline, Wyoming. Lara Storm for scale.

Nor_4-33_L37_Sf.jpg Sheath folds in Caldeonian gneisses, western Norway. Location 37. John Schumacher for scale with Pete Robinson in background.	Nor_4-31_L37_Sf.jpg Closeup of sheath folds in Caldeonian gneisses, western Norway. Location 37.	Nor_4-26_L37.jpg Refolded fold in Caldeonian gneisses, western Norway. Location 37.	Nor_5-36_L46.jpg Highly folded gneiss (original Rapakivi texture) Caldeonian gneisses, western Norway. Location 46.	6? Folded microtexture in ductile shear zone.

9? Sigma-shaped augen in ductile shear zone showing top-to-left sense of shear.	Garabaldi2.jpg Seno Garabaldi. Fjord off of Beagle Channel, southern Chile. Ice Breaker Hero for scale.	CD 84 Pia#1.jpg Seno Pia. Fjord off of Beagle Channel, southern Chile. Ice Breaker Hero for scale. Ian Dalziel (right).	CD 84 Pia#2.jpg Seno Pia. Folded schists.	Pia_1.jpg Seno Pia. Folded schists and gneisses with large garnets. Note excellent axial planar cleavage in garnet schist but no cleavage in other two rock types.

Pia_3.jpg Seno Pia. Folded schists, gneisses and amphibolites.	CD 84 Pia#5.jpg Seno Pia. Folded schists and gneisses with large garnets. Note excellent axial planar cleavage in garnet schist but no cleavage in other two rock types.	Pia_2.jpg Seno Pia. Rotated garnet crystals in schist.	CD 84 Beagle#01.jpg Beagle Channel. Hero for scale.	CD 84 Beagle#02.jpg Folded rocks along Beagle Channel.

CD 84 Yend#01.jpg Seno Yendagaia.	CD 84 Yend#02.jpg Seno Yendagaia. Folds in semi-schists.	Yendegaia_16.jpg Seno Yendagaia. Folds in semi-schists.	CD 84 Yend#04.jpg Seno Yendagaia. Folds in semi-schists.	Yendegaia_4.jpg Seno Yendagaia. Refolded folds. Note folded axial plane.

Yendegaia_3.jpg Seno Yendagaia. Refolded folds. Note folded axial plane.	CD 84 Yend#05.jpg Seno Yendagaia. Refolded folds. Note folded axial plane.	Yendegaia_2.jpg Seno Yendagaia. Refolded folds. Note folded axial plane.	Limpopo15.jpg Limpopo. Danger, danger, danger.	Limpopo02.jpg Limpopo. Danger everywhere.

Limpopo12.jpg Limpopo. Danger everywhere.	Limpopo13.jpg Limpopo. Danger everywhere.	Limpopo05.jpg Limpopo. Watch out for black mambas.	Limpopo06.jpg Limpopo. Boudinage in Archean gneisses.	Limpopo07.jpg Limpopo. Shear zones in partially melted gneisses.

Limpopo03.jpg Limpopo. Basin and dome structures in Archean gneisses.	Limpopo08.jpg Limpopo. Basin and dome structures in Archean gneisses.	Limpopo04.jpg Limpopo. Folded amphibolite layer in gneisses.	Limpopo10.jpg Limpopo. Folded amphibolite layer in gneisses. Truncated by later dikes.	Limpopo09.jpg Limpopo. Offset dike.

Limpopo11.jpg Limpopo. Dike. Is this a fault, or was it intruded this way?	Limpopo14.jpg Limpopo. Curiosity is evident even in lower primates.