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6th Dec 2014 22:08 GMTFred E. Davis

Reminds me of an old joke:


A lumber company advertised for a lumberjack. In walked a height-challenged gentleman for the interview. The lumber company boss looked on with disbelief at the diminutive applicant. "You got any references?" asked the boss. "Sure!" replied the applicant, looking up at the seated boss, "the Sahara Desert." "You must be mistaken," said the boss, "the Sahara doesn't have any trees!" The applicant smiled confidently and said, "Not any more."


So maybe the copper mine is played out? :-S

Just kidding - I don't have a clue.

6th Dec 2014 22:19 GMTAlfredo Petrov Manager

I think we can assume that this species list is VERY incomplete ;-)

6th Dec 2014 22:55 GMTReiner Mielke Expert

I realize that, but would it not be reasonable for someone to add at least one copper mineral to the list? May I suggest bornite as I have a sample of it from there.

6th Dec 2014 23:01 GMTJolyon Ralph Founder

>I realize that, but would it not be reasonable for someone to add at least one copper mineral to the list?

> May I suggest bormite as I have a sample of it from there.


May I suggest that person be you?

6th Dec 2014 23:42 GMTReiner Mielke Expert

Sure I can do it but I was hoping someone who is looking after that area would do it and maybe add a few more. Anyway I have added bornite, will add a photo later.

7th Dec 2014 00:18 GMTJolyon Ralph Founder

Thanks Reiner


Hopefully someone will be along to add even more data soon

7th Dec 2014 00:45 GMTPaul Brandes Manager

Reiner,

The Keweenaw Peninsula is famous for its copper mines, yet you'd be surprised how many of the mines either don't have copper listed, or have no minerals at all. I don't believe it's the fault of anyone, just no records of any copper coming from those locations.

7th Dec 2014 01:26 GMTReiner Mielke Expert

Well it seems to me that of you are going to take the time to enter a locality you can at least enter the primary mineral found or mined there. It doesn't take a lot of time to do that.

7th Dec 2014 13:31 GMTAlfredo Petrov Manager

Reiner, the problem is that even if we're pretty sure that mineral X must occur at the locality "Empty List quarry", we can't add it without a reference. The reference could be from the published literature or it could be something as simple as "Reiner Mielke field observations, October 1989", but without that reference we can't add the mineral. There are dozens of Keeweenaw copper prospects or California gold placers for which it would be a reasonably safe bet to add copper or gold to the species list, but without a published paper or a named human being to ascribe a reference to... it would look bad.

7th Dec 2014 17:04 GMTChester S. Lemanski, Jr. Manager

Reiner,


You said "Well it seems to me that of you are going to take the time to enter a locality you can at least enter the primary mineral found or mined there. It doesn't take a lot of time to do that."


Taking the time to enter the locality is a commendable effort in and of itself. If there are no mineral species stated to occur there, then you CAN'T enter the primary mineral found since you don't know what it is! Many of the localities listed in Mindat have no mineral species listed; however, with the passage of time, many of these become endowed with a list of one or more minerals. We have discussed this situation ad nauseum in other threads. Even without mineral lists, these localities contribute to the comprehensiveness of Mindat's mine workings data, relating directly to our site also being a mining history (industrial archeology) website.

7th Dec 2014 17:14 GMTReiner Mielke Expert

So if I want to add minerals with references to localities not in my area you would have no objection then? "Just want to be sure I don't "step on anyones toes" so to speak.

7th Dec 2014 17:17 GMTChester S. Lemanski, Jr. Manager

Reiner,


No objection whatever so long as the entries have the requisite references.


Chet

7th Dec 2014 22:51 GMTChester S. Lemanski, Jr. Manager

Reiner,


Please no encrypted "MDI" references - please spell this acronym out so that more than a handfull of Mindat users know what the heck it is!!!!!! Thanks!


Chet

8th Dec 2014 00:53 GMTMark Heintzelman Expert

I know I'm late in on this, but I have done some minor research for the Mansfeld Basin region more recently, but this particular locality is not one that I have seen any reference to (unfortunately my rudimentary grasp of the german language makes English translation a must for any real reading of reference material).


While it is true that these Slate ore deposits were primarily worked for sheet silver & the copper sulphates, including Bornite & Chalcocite, and one could assume both were present, but definitely the preferred manner is to add species only with a proper reference. I can only assume the reference used for this particular locality was specific to those few minerals rather than the locality itself and we'll just have to live with that until better reference is found.


MRH

8th Dec 2014 01:02 GMTDebbie Woolf Manager

Reiner, did you personally collect the bornite specimen ?

8th Dec 2014 01:06 GMTReiner Mielke Expert

Hello Debbie,


No I did not. It came from a German collection.

8th Dec 2014 01:24 GMTReiner Mielke Expert

Actually if you google the MDI number exactly as entered you will find the locality information. With the long form you will not.

8th Dec 2014 08:12 GMTRoger Lang Manager

https://www.mineralienatlas.de/lexikon/index.php/Deutschland/Sachsen-Anhalt/Mansfeld-S%FCdharz%2C%20Landkreis/Helbra/Hans-Seidel-Schacht%20%28Graf%20Hohenthal%20Schacht%29


if anybody finds the time to add species and references :-) ... unfortunately i don´t have at the moment,


cheers

Roger

25th Dec 2014 01:16 GMTDebbie Woolf Manager

Hi Reiner,


The reason I asked was on the mineral detail form under reference it has your name & under specimen source it has personally collected, so it's not hard to misunderstand that you personally collected this :-D


To properly reference this you should put something like: Reiner Mielke specimen, catalogue # or a link to a photo on mindat, otherwise if neither details are given don't you think that's just hearsay & clutters up good info from bad?

25th Dec 2014 01:31 GMTReiner Mielke Expert

Hello Debbie,


My wife has not yet photographed the specimen so it has no cataloque number yet but it will be done at some point in time and the picture will be posted then. In the meantime I have deleted the entry. No idea why it said personally collected, can't recall checking off that box ?
 
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