Castle Lake Limnological Research Station

Google Earth

The following file is the geological layer exported for Google Earth. Click on the link below to launch Google Earth and automatically pan to Castle Lake with the geological layer overlaying the terrain. Click on the labels for a descriptions of the symbol, or scroll down toward the bottom of this page for more details.

• Google Earth Geological Layer

Shape Files

The following are shape files (.shp) which can be brought into ArcGIS, QGIS, or other GIS system which can read this format. GIS Mapping of Castle Lake is a work in progress, and we hope to add and improve these files over time.

cal_lake : Lake Layer
cal_outflow : Stream Outflow
cal_geol : Geology Layer
cal_geom : Geomorphology Layer
cal_dikes : Dikes
cal_faults : Faults

Coordinate System / Projection
NAD83 California Teale Albers

Download Shapefiles

• Castle Lake GIS Layers

Geology Map Unit Descriptions

• Qu - Quaternary deposits - glacial and stream deposits
• Pcc - Permian Castle Crags granodiorite
• Ph - Permian diorite dikes and plugs
• Oig - Ordovician, intrusive hornblende clinopyroxene gabbro with flow layering
• Olg - Ordovician, layered gabbro hornblende-bearing clinopyroxene gabbro and orthopyroxene-clinopyroxene gabbro
• Ou - Ordovician, cumulus ultramafic rock of the Castle Lake layered mass; includes dunite, wehrlite, olivine clinopyroxene, and clinopyroxene
• pOu - pre-Ordovician, serpentinized, metamorphic peridotite; the peridotite is the basal member of the Trinity ophiolite sequence

Credits

This GIS work was done by Brooke Eustis, with some assistance from Ryan Boynton and Dave Waetjen.