[More Letters of Charles Darwin by Charles Darwin]@TWC D-Link bookMore Letters of Charles Darwin CHAPTER 1 72/108
That these strata have also probably undergone an immense depression, that they are now inclined at high angles and form regular or complicated anticlinal lines.
To complete the climax and seal your disbelief, these same sedimentary strata and lavas are traversed by VERY NUMEROUS, true metallic veins of iron, copper, arsenic, silver and gold, and these can be traced to the underlying granite.
A gold mine has been worked close to the clump of silicified trees.
If when you see my specimens, sections and account, you should think that there is pretty strong presumptive evidence of the above facts, it appears very important; for the structure, and size of this chain will bear comparison with any in the world, and that this all should have been produced in so very recent a period is indeed wonderful.
In my own mind I am quite convinced of the reality of this.
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