4
   

what could these blue rocks be

Forums: Geology, Science
Email this Topic • Print this Page
 
 
vince8388
 
Reply Thu 9 Oct, 2014 01:34 pm
http://i.imgur.com/EOONBnv.jpg
they are very dark blue and seem to make up a hematite concrete found this i a 2 foot wide stream like looking path that ended at the cliffs edge
the piece n the image is the size of a penny
  • Topic Stats
  • Top Replies
  • Link to this Topic
Type: Question • Score: 4 • Views: 630 • Replies: 1
No top replies

 
farmerman
 
  2  
Reply Thu 9 Oct, 2014 02:03 pm
@vince8388,
looks mostly like a form of chert, which is a softer silica (like quartz). It seems to lie among the ooids and, as such, is quite common.

Its a sign of a fairly high concentration solution in an agitated shallow sea- water medium.
0 Replies
 
 

Related Topics

What is this..? - Discussion by jaygree
what are these marks on the rock? - Question by MaAxx8
good videos to learn geology - Discussion by danman68
MT Antero Colorado - Question by The Corpsman
Yttrium and Niobium in Granite - Question by EvilPenguinTrainer
Birth of an Ocean - Discussion by GoshisDead
Biotite vs Brown Hornblende - a noob question - Question by AllGoodNamesAreTaken
What's The Point To Geology? - Question by mark noble
Help Identifying Rocks - Discussion by mthick
Can anyone suggest the origin of these rocks? - Question by Mikiemax
identify kind of rocks - Question by georgevan1
 
  1. Forums
  2. » what could these blue rocks be
Copyright © 2024 MadLab, LLC :: Terms of Service :: Privacy Policy :: Page generated in 0.03 seconds on 05/02/2024 at 09:46:05
▲ ▼