This earthcache is outside the Blue Shore Credit Union. The artwork, named the "bubbling rock", is one big piece of rock with smaller rocks around it and has many colours due to the alteration of the original rock. Water issuing from the largest rock add to the colours. These rocks may have come from the Brittania Mine near Squamish as there are many similar rocks there.
The reason for the many colours in these rocks is because the original rocks were subjected to subterranean hydrothermal (hot water) solutions.They were extensively altered and/or replaced from the original minerals in the boulders you see before you. Epidote (pale green), secondary quartz (grey) and secondary orthoclase feldlspar and possibly calcite (both white) have replaced the rock's original quartz, feldspars and ferromagnesian minerals.
The earthcache in this display is about the minerals which you can see in the smaller rock just (see photo above) to the south and downstream of the larger rock. The smaller rock is about 35cm x 35 wide and about 70 cm high. The bottom of this smaller rock is altered quartz and the the top of this rock is mainly epidote (a calcium aluminium iron sorosilicate mineral), separated by a dark brown 5cm wide vein. This vein used to contain a very shiny mineral called pyrite (fools gold) and possilbly some other sulphide minerals such as sphalerite (the source of zinc). If you looked very carefully before the pyrite was stolen, you can see that the pyrite was square (a cubic mineral shape). The pyrite was on the south side facing the Blue Shore entrance doors.
Your task is to do the following:
1. The larger pyrite pieces have been stolen and there are only holes left where they were, I guess that's why its called foolsgold. So there are only two specs of pyrite left .
2. So instead of counting the specks, post a photo of the bubbling rock with something personal in it.