Duplicate page content and search in Magento

[VintageTimesAustralia]

Hi all, Firstly, I am a business owner and not a SEO genuis but I work on my site and am learning how to "tweek" everyday. That said, my site www.vintagetimes.com.au needs a bit more than a tweek.  Here is problem 1: I have massive duplicate page content which is being driven primarily by search and I'm not sure how to tackle the issue.  Working in Magento.  Could anybody give me an instruction on how to steer robots away from search results?  I would also like to know WHY a search result is here as well?  Example of about 20 pages of this type of result:

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Search results for: '1 carat' Vintage Times

http://www.vintagetimes.com.au/catalogsearch/result/index/?q=1+carat&enable_googlecheckout=1	50+	1	0

Search results for: '1 carat' Vintage Times

http://www.vintagetimes.com.au/catalogsearch/result/index/?q=1+carat&enable_googlecheckout=1&cat=21	50+	1	0

Search results for: '1 carat' Vintage Times

http://www.vintagetimes.com.au/catalogsearch/result/index/?q=1+carat&enable_googlecheckout=1&cat=21&order=created_at&dir=asc	50+	1	0

Search results for: '1 carat' Vintage Times

http://www.vintagetimes.com.au/catalogsearch/result/index/?q=1+carat&enable_googlecheckout=1&cat=21&order=metal&dir=asc	50+	1	0

Search results for: '1 carat' Vintage Times

http://www.vintagetimes.com.au/catalogsearch/result/index/?q=1+carat&enable_googlecheckout=1&cat=21&order=name&dir=asc	50+	1	0

Search results for: '1 carat' Vintage Times

http://www.vintagetimes.com.au/catalogsearch/result/index/?q=1+carat&enable_googlecheckout=1&cat=21&order=price&dir=asc	50+	1	0

Search results for: '1 carat' Vintage Times

http://www.vintagetimes.com.au/catalogsearch/result/index/?q=1+carat&enable_googlecheckout=1&cat=21&order=relevance&dir=asc	50+	1	0

Search results for: '1 carat' Vintage Times

http://www.vintagetimes.com.au/catalogsearch/result/index/?q=1+carat&enable_googlecheckout=1&cat=21&order=stone&dir=asc | 50+ | 1 | 0 |

[ResslerMotors]

I believe the correct approach is using "no-index, follow" with robots in the search pages.  Not sure how to do that, though...

[Tonyc74]

I have the same problem and was just searching to find the answer.

Can anyone help?

If you change the robot file to no -index will this not affect the crawling of the pages?

Thanks in advance