Graham Hall's geology resource

I have found that previously, and found it very interesting. In fact, it's the most detailed work I have found on places like Ffestiniog where there is an excellent opportunity to study the geology below the surface but nobody seems to have done so

I recall that the printed version was rather expensive.

Chris.
 
I remember finding and enjoying this when it first appeared. I agree with both of you that it's one of the best books for understanding the geology of North Wales's mining areas. Many years years ago, I did GCSE geology with Graham at night school in Dolgellau. We did some fascinating field trips, including one to Tanygrisiau and Cwm Stwlan. Later we did some industrial archeology visits to Prince Edward and Ystrad Einion mines. It all helped to open the doors of my understanding of the structure of the mines that I enjoy exploring.
 
Any book that engenders interest and encourages the reader to go and look for themselves is warmly to be welcomed, especially when suitable for the young. When it is well printed, in colour and with bold simple diagrams and clear instructions as to suitable routes it deserves wide circulation. I have looked in particular at the chapters on Corris, Plynlimon and Lead Mining where I feel qualified to comment.
The book is best used in company with a human guide who can bridge the gap with terminology on the 'official' BGS maps and can spot the several mistakes that have crept in. Moreover the times advised for many of the routes allow very little for the discussions which should be the life-blood of a good field trip. Some of the simplifications are overdone. It is commendable that the geographic / geological spread of the excursions is so wide. A good guide with where to get going but a bit more linkage to how to best follow up the enthusiasm generated would be welcome. Use with care and enjoy !
 
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