Rock Collection: Study and Hobby

Rock Collection: Study and Hobby 

"All the lessons are in nature. You look at the way rocks are formed - the wind and the water hitting them, shaping them, making them what they are. Things take time, you know?" - Diane Lane

Dr Abe V Rotor

Petrified or fossilized wood.  Carbon dating process traces

the origin, age, and habitat of the specimen. 

Resin, exudate of Pine tree undergoing metamorphism into amber

Aggregate rocks in various compositions and structures. 

Unidentified layered rock, indicating geologic

history.  

This is not a fossil, but broken glazed jar often used to store sacred 

objects and remains, like an urn in earlier times. 

Soft wood fossil broken into two to find out what is really its interior made of.

Not so perfectly round but it served as canon ball in early times.

Picked from a dry river bed, this specimen is a result of continuous

and even abrasion as it travelled downstream.

Fo

Limestone undergoing metamorphism into marble which 

may take a very long time under favorable conditions.

Rock collection of a student attracted by the diversity of the specimens.

Brain coral in its early stage of fossilization.

Operculum of a large seashell undergoing erosion by the elements.

Note the counterclockwise spiral, a unique find. 

Shades of opal and glitter often make this petrified wood look 

valuable when cut and polished, and made into fancy jewelry.

This chalky fossil looks like elephant's task.

 Did elephants roam the countryside in prehistoric times? 

Early stone age tools, crude and unpolished,

but they served the purpose of hunting.

Mt Pinatubo's pyroclastic  rock mounted for the museum.  

The rock formed while still very hot, forming a porous texture. ~

 Floral arrangement of stones gathered from Bacnotan, La Union beach. 

A collection of rock samples at author's home,