Jump to content
Nugget Shooter Forums

ID HELP- What is this Rock?


Recommended Posts

It could be but It also looks a lot like the mushroom rhyolite that I have dug. I searched online but could not find a good picture of the unbroken outside. If you can cut it open you will be better able to identify it. 

Link to comment
Share on other sites

The layering seen here would rule out coprolite. I’d guess you’ve got some calcite there. It’s very difficult to ID minerals from photos alone, so I can’t be certain.

52908912-8D58-43E9-A23B-064CC8089C9C.jpeg

Edited by d_day
Link to comment
Share on other sites

On 6/20/2020 at 12:54 AM, TheRealOutis said:

What is this rock? Fossil? Coprolite?

Found in SW utah.

any info is appreciated!

 

79_obOhvYbfJtoEIEEiq0XJAl76NSEio7159sKHzb-gd7pKD3kh3Loc430Y6AdCc-vMOu9dVjTGOECE8UEX5vy3f4SqbB0im_wkYfBdXvAtgquaxWVugrsVICdcGLPYbmr8GTeBkJYOdOmnZCDRqdSbMFm90KNS367hhXkyPfc6Gq_DjLmwJwr_iP2FLr6LReLABkSXq3_vSB16qOpi9HloFlkC-LAHGQVokzI_DXyi4S91thOrBxtQgVowzmM5ggCI8B1ZrlBcmWflqT-tPopJHBsCPNN87DDjjGIquEmF9cQpehf_pOuelKAqflDT7l2xibcKEvUTiEgq6wj5BC5_Vi-MbjYjRCGxmGt_lj0CEd36ftS4IbNOAPiS1Kpt473frlGAxV_ojgBZLyqenVCtPeIdAUn5pYYLD3p66kXBtuF_SgOOHEH_uyCsG7AslzHDQ_UxzFH4VYnV_xvxJzZCpj0XrWmoMfOBU08un8_IhcD04tJCNHikbp6JxDGHUx5x2jQtge-LsrFnPe9I7n-x7pPwC-TQiO2wxrae92McAj2p0wZbQ-rE_KP2gwsKVV8WyS7V8iv-SIpVVS_ERyd1-IasOWbEDpNRNKc087SRFpdc_gbjTafWQ07mRvDIwt30WAyKJ57n7xjIT5D2gl2sqMO-iqDB0L-wHZwXJ

My very first impression was a stromatolite. Just not sure though.

Link to comment
Share on other sites

I'm with Haderly on this one.  It's a Lapillistone, a volcanic rock made up of rounded,  pebble sized, lava blobs called lapilli.  It does look like any Stromatolites I have observed.  Lapillistones can be very pretty once cut and polished.  Nice find!

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

  • Recently Browsing   0 members

    • No registered users viewing this page.
×
×
  • Create New...