Day 86 : Marble from Edwards, Grenville Province, Adirondacks, NY, USA. Keele collection.

Day 85 : Marble from Edwards, Grenville Province, Adirondacks, NY, USA. Keele collection.

Day 84 : In the field at Brownend Quarry, Waterhouses, Staffordshire. This is the Lower Carboniferous Milldale Limestone. It is a fore-reef slope deposit and the block of reef limestine at the top of the cliff is inverted.  

Day 83 : Garnet Gneiss from Pierrepont, Grenville Province, Adirondacks, NY, USA. Keele collection.   

Day 82 : Amphibolite from just east of Santa Clara, Grenville Province, Adirondacks, NY, USA. Keele collection.

Day 81 : Charnockite (orthopyroxene bearing granite) from the Grenville Province, Adirondacks, New York State, United States. Keele Collection.

Day 80 : A psammite from the Grenville Province, Adirondacks. Stone School, New York State, United States. Keele collection.

Day 79 : A graphic granite from the Grenville Province, Meacham Lake, Adirondacks, New York, United States. Keele Collection.

Day 78 : Return to Wenlock Edge, Shropshire. A crinoid scuplted into Wenlock Limestone.

Day 77 : Out in the field this weekend to Wenlock Edge. Here is a patch reef margin in Lea Quarry, near Much Wenlock, Shropshire, England. Wenlockian, Silurian obviously.