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Collecting quartz on the Little Falls dolostone
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vic rzonca




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PostPosted: Dec 17, 2011 13:10    Post subject: Collecting quartz on the Little Falls dolostone  

Collecting quartz on the eastern edge of the Little Falls dolostone, in December.


IMG_0375.JPG
 Description:
Looking NW from the bench
 Viewed:  28718 Time(s)

IMG_0375.JPG



IMG_0372.JPG
 Description:
Not much to look at, really.
 Viewed:  28731 Time(s)

IMG_0372.JPG



IMG_0361.JPG
 Description:
30 ton ram setup, helps to loosen things up a bit.
 Viewed:  28746 Time(s)

IMG_0361.JPG



IMG_0362.JPG
 Description:
The pump section. The shims are aluminum as it deforms into the rock rather than slipping. We have 60 and 100 ton models-great help.
 Viewed:  28731 Time(s)

IMG_0362.JPG



IMG_0367.JPG
 Description:
What fun!
 Viewed:  28736 Time(s)

IMG_0367.JPG



IMG_0360.JPG
 Description:
Quartz pocket.
 Viewed:  28724 Time(s)

IMG_0360.JPG



IMG_0472.JPG
 Description:
Some of the find.
 Viewed:  28715 Time(s)

IMG_0472.JPG



IMG_0476.JPG
 Description:
Quartz
Fonda, NY., USA
Largest crystal, 2 cm.
 Viewed:  28737 Time(s)

IMG_0476.JPG



IMG_0480.JPG
 Description:
Anthraxsolite
Fonda, NY., USA
1 cm.
 Viewed:  28733 Time(s)

IMG_0480.JPG


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vic rzonca




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PostPosted: Jul 29, 2012 11:58    Post subject: Re: Collecting quartz on the Little Falls dolostone  

Quartz hunting.


IMG_0770.JPG
 Description:
Use of the hydraulic ram to exploit weaknesses in the dolostone.
 Viewed:  27457 Time(s)

IMG_0770.JPG



IMG_0863.JPG
 Description:
Quartz
Fonda, New York, USA
Some of what was levered out. Fingers for scale.
 Viewed:  27518 Time(s)

IMG_0863.JPG



IMG_0867.JPG
 Description:
Quartz
Fonda, New York, USA
Some of what was levered out. Fingers for scale.
 Viewed:  27506 Time(s)

IMG_0867.JPG


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Pierre Joubert




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PostPosted: Jul 29, 2012 16:09    Post subject: Re: Collecting quartz on the Little Falls dolostone  

I love your entry! Love quartz. What an excellent way to break rock.
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PostPosted: Jul 29, 2012 16:13    Post subject: Re: Collecting quartz on the Little Falls dolostone  

And to think about 40 years ago, those rams were the state of the art in vehicle crash rescue, now that is a much better use. Love the crystals.
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vic rzonca




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PostPosted: Aug 01, 2012 20:09    Post subject: Re: Collecting quartz on the Little Falls dolostone  

Pockets in the dolostone yield quartz.


IMG_0899.JPG
 Description:
One of the work areas. The larger pocket zone is low on the face, but many smaller, 10 cm. holes are above. The floor of the bench is the bottom of the formation and is barren.
 Viewed:  27344 Time(s)

IMG_0899.JPG



IMG_0898.JPG
 Description:
Pocket in a just released block.
 Viewed:  27353 Time(s)

IMG_0898.JPG



IMG_0894.JPG
 Description:
Close-up of the 20 cm. vug. In situ, the large quartz grew from the roof of the pocket, the block rests on it's side.
 Viewed:  27328 Time(s)

IMG_0894.JPG



IMG_0896.JPG
 Description:
6 cm. or larger, smoky crystal, still in the wall, growing from the roof.
 Viewed:  27349 Time(s)

IMG_0896.JPG



IMG_0900.JPG
 Description:
Another cluster in the same area. This one is milky.
 Viewed:  27327 Time(s)

IMG_0900.JPG



IMG_0903.JPG
 Description:
Quite a nice smoky, lose and lurking.
6 cm.
 Viewed:  27320 Time(s)

IMG_0903.JPG


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John S. White
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PostPosted: Aug 01, 2012 20:18    Post subject: Re: Collecting quartz on the Little Falls dolostone  

Fantastic Vic, can't wait to see the piece with the large crystal in the vug once the reduction in size has occurred. Please let us know how you accomplish the reduction.
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Pierre Joubert




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PostPosted: Aug 02, 2012 03:09    Post subject: Re: Collecting quartz on the Little Falls dolostone  

John S. White wrote:
Fantastic Vic, can't wait to see the piece with the large crystal in the vug once the reduction in size has occurred. Please let us know how you accomplish the reduction.


Yes Vic, I am very curious to know how you intend to reduce those rocks to display, what I am sure will be very nice pieces. Could you send us some photos of the process once completed?

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vic rzonca




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PostPosted: Aug 02, 2012 08:09    Post subject: Re: Collecting quartz on the Little Falls dolostone  

You have both nailed it. Now what. First thing to do is nothing. Sometimes the act of releasing the blocks from their place of formation allows the dolomite to take a breath and cracks are either induced or enlarged, kind of self trimming to a point. Then diamond chain saws, careful chisel surgery or hydraulic trimming. Pesto!! It breaks right through the best part. Sometimes.
Mineral prep and presentation is an art and all respect to those who do it well. I've got piles of failed attempts.
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John Medici




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PostPosted: Aug 02, 2012 10:38    Post subject: Re: Collecting quartz on the Little Falls dolostone  

Right on, Vic; best results seem to be to sit back and check the specimens visually for a while, before deciding on a point of attack for such quartz pockets.
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PostPosted: Aug 02, 2012 15:11    Post subject: Re: Collecting quartz on the Little Falls dolostone  

Great report, Vic!
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vic rzonca




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PostPosted: Aug 03, 2012 10:32    Post subject: Re: Collecting quartz on the Little Falls dolostone  

A very useful tool for the field collector. The threaded adjustment allows for great flexibility, 0 to 18 cm. between anvils. Chinese made and rather stout, just turning the hand wheel sometimes is all that is needed for a trim, and the force of the hydraulics has scared me. I got this one from Dennis Beals and it has served me well.


IMG_0772.JPG
 Description:
The trimmer frame is about 40 cm. high by 35 cm. wide.
 Viewed:  27101 Time(s)

IMG_0772.JPG



IMG_0799.JPG
 Description:
A fruitful trim (or lucky). The quartz is about 6 cm. high.
 Viewed:  27114 Time(s)

IMG_0799.JPG


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vic rzonca




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PostPosted: Aug 26, 2012 08:47    Post subject: Re: Collecting quartz on the Little Falls dolostone  

More from the mine.


IMG_1003.JPG
 Description:
The crystals went that way.
 Viewed:  26687 Time(s)

IMG_1003.JPG



IMG_0999.JPG
 Description:
15 cm. quartz on dolostone, freshly mined with a quick cleaning.
 Viewed:  26708 Time(s)

IMG_0999.JPG



IMG_1002.JPG
 Description:
12 cm. quartz with a smaller friend, rests on an eatched calcite crystal and quartz druze.
 Viewed:  26682 Time(s)

IMG_1002.JPG


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PostPosted: Aug 26, 2012 09:05    Post subject: Re: Collecting quartz on the Little Falls dolostone  

Those quartzes exhibit a really strange habit Vic. What a neat find.
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vic rzonca




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PostPosted: Sep 04, 2012 17:53    Post subject: Re: Collecting quartz on the Little Falls dolostone  

For a while now, off and on, we've found some rather odd floater quartz crystals at the site. This one qualifies as the oddest. After showing it to John White, I thought I'd have a good image taken to share with the forum. These fine shot's were taken by Jeff Scovil, at the East Coast show, far better than anything I could take, and much more informative than trying to explain an inferior photo. I would be interested in what you folks think might be the process that produced this form. Much of the quartz we find is associated with anthraxolite, a compact hydrocarbon that was present with the silicified fluids that grew the quartz. Many of the crystals found are the classic Herkimer form, no point of attachment, but this one is really something else. It would be interesting to know if anyone has ever seen another crystal of any species with a similar form. We have found a few of these. This, the best so far. I look forward to your input, and thanks for viewing.


2012-08-0079.jpg
 Description:
Quartz
Fonda, New York, USA
2 cm.
 Viewed:  26408 Time(s)

2012-08-0079.jpg



2012-08-0078.jpg
 Description:
Quartz
Fonda, New York, USA
2 cm.
 Viewed:  26383 Time(s)

2012-08-0078.jpg



2012-08-0077.jpg
 Description:
Quartz
Fonda, New York, USA
2 cm.
 Viewed:  26418 Time(s)

2012-08-0077.jpg


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Pierre Joubert




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PostPosted: Sep 05, 2012 00:45    Post subject: Re: Collecting quartz on the Little Falls dolostone  

vic rzonca wrote:
For a while now, off and on, we've found some rather odd floater quartz crystals at the site. This one qualifies as the oddest. After showing it to John White, I thought I'd have a good image taken to share with the forum. These fine shot's were taken by Jeff Scovil, at the East Coast show, far better than anything I could take, and much more informative than trying to explain an inferior photo. I would be interested in what you folks think might be the process that produced this form. Much of the quartz we find is associated with anthraxolite, a compact hydrocarbon that was present with the silicified fluids that grew the quartz. Many of the crystals found are the classic Herkimer form, no point of attachment, but this one is really something else. It would be interesting to know if anyone has ever seen another crystal of any species with a similar form. We have found a few of these. This, the best so far. I look forward to your input, and thanks for viewing.


Most unusual! I have never seen anything like that before.

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Riccardo Modanesi




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PostPosted: Sep 05, 2012 08:02    Post subject: Re: Collecting quartz on the Little Falls dolostone  

Hi Vic and hi to everybody!
The last one you show is a very nice crystal! Inclusions should be very beautiful! If you have the possibility of showing us any photo about, don't hesitate to let us see it!
Greetings from Italy by Riccardo.

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PostPosted: Sep 05, 2012 10:10    Post subject: Re: Collecting quartz on the Little Falls dolostone  

Is a lovely specimen Vic, please publish it also in the A mineralogical trip through the states of USA - New York section, it will be a great addition for the New York state!
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PostPosted: Dec 03, 2012 23:42    Post subject: Re: Collecting quartz on the Little Falls dolostone  

A few from the bench.


IMG_0781.JPG
 Description:
Quartz
Fonda, New York, USA
A 14 cm. main crystal with a bit of dolostone matrix. Collected this season.
 Viewed:  24951 Time(s)

IMG_0781.JPG



IMG_0750.JPG
 Description:
Quartz
Fonda, New York, USA
6 cm. quartz with a fracture induced rainbow.
 Viewed:  24945 Time(s)

IMG_0750.JPG



IMG_0614.JPG
 Description:
Quartz
Fonda, New York, USA
6 cm. complex smokey crystal
 Viewed:  24950 Time(s)

IMG_0614.JPG


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PostPosted: Dec 04, 2012 02:32    Post subject: Re: Collecting quartz on the Little Falls dolostone  

Nice find Vic! I especially like IMG_0750.JPG.
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PostPosted: Dec 05, 2012 08:43    Post subject: Re: Collecting quartz on the Little Falls dolostone  

Work on the bench.


IMG_1107.JPG
 Description:
30 tons of hydraulic push exploit an eroded area.
 Viewed:  24822 Time(s)

IMG_1107.JPG



IMG_1108.JPG
 Description:
Aluminum blocks allow flexibility at the jack point, as the jack has only a 4 inch lift.
 Viewed:  24825 Time(s)

IMG_1108.JPG



IMG_1111.JPG
 Description:
8 cm. quartz in a small pocket.
 Viewed:  24816 Time(s)

IMG_1111.JPG



IMG_1113.JPG
 Description:
Druzy quartz, the other part of the pocket.
 Viewed:  24821 Time(s)

IMG_1113.JPG



IMG_1114.JPG
 Description:
A tidy work place will soon be a mess.
 Viewed:  24816 Time(s)

IMG_1114.JPG



IMG_1109.JPG
 Description:
Part of a old stone wall at the site. Moss seems to love the dolostone.
 Viewed:  24826 Time(s)

IMG_1109.JPG



IMG_1121.JPG
 Description:
The moss was fat and happy on this December day, with late afternoon sun, waiting on the first snow.
 Viewed:  24833 Time(s)

IMG_1121.JPG



IMG_1122.JPG
 Description:
 Viewed:  24848 Time(s)

IMG_1122.JPG



IMG_1128.JPG
 Description:
 Viewed:  24847 Time(s)

IMG_1128.JPG


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