shale

 Shale! __**GENERAL INFO**__ Color : dark gray to black Characteristics : breaks easily, usually light Classification : clastic Formation : compaction __**5 FACTS**__ There are 6 different types of shale : -oil shale -bituminous shale -burgess shale -barnett shale -bearpaw shale -wianamatta shale Shale is a fine grained sedimentary rock. Barnett shale is known as a "tight" gas resevoir. Wianamatta shale produces a rich clayey-soil. Animal tracks/burrows are sometimes preserved on shale bedding.

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SHALE IS USED FOR :**__ -Filter in paints -brick -cement -plastic -building structures __**WHERE IT FORMS**__ The rock cycle at which forms shale is compaction. The fine particles that make up shale stay in water long after the larger particles of sand have deposited. Shale is usually deposited in very slow moving water.