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8 January 2015
The other fossil I saw at the eclectic and haphazardly-curated Strasburg Museum was this stromatolite. Top view: Side view: Probably this comes from the Cambrian-aged Conococheague Formation, although the Beekmantown Formation (early Ordovician) is another possibility.
7 January 2015
My friend and colleague Lauren Michel, the King Family Fellow at the Perot Museum of Nature and Science in Dallas, Texas, sent me this image from her recent trip to Antarctica: (click to enlarge) This is a beautiful example of a mafic igneous sill, probably of the rock known as “dolerite” (or diabase, to us Yanks). Lauren and I think it must be part of the Ferrar Large Igneous Province. …
5 January 2015
My family and I went to the Strasburg Museum in Strasburg, Virginia, last fall, because (1) we’ve lived out here for two and a half years now without stopping in, and we felt “overdue” for checking it out, and (2) a big train is prominently featured out front, and my son is really keen on trains right now due to the “Thomas the Tank Engine” series of books. I don’t …
2 January 2015
Devonian metamorphic rocks (garnet-bearing gneiss) exposed on the western side of Cabbage Island, Maine: And here it is in GigaPan form: link
1 January 2015
A list of birds seen in my yard this year. Lists for 2013 (51 species) and 2012 (39 species) here. Downy woodpecker Mourning dove Dark-eyed junco Tufted titmouse White-breasted nuthatch Black-capped chickadee Goldfinch Pileated woodpecker Red-bellied woodpecker Turkey vulture Hairy woodpecker Eastern phoebe Red-tailed hawk American crow American robin Cardinal Bald eagle Brown creeper Barred owl Carolina wren Brown-headed cowbird Chipping sparrow Whippoorwill Turkey Broad-winged hawk Black vulture Blue-gray gnatcatcher …