From the table below, please click
on the underlined Computer Code of the rock unit you are interested
in to see the information available for that entry.
| Row |
Code |
Rock Unit |
Status Code |
| 18751 |
YKLY |
Yorkley Coal (Forest Of Dean) |
Index Level |
| 18752 |
YLCPP |
Yellow Craig Plantation Plug |
Index Level |
| 18753 |
YLCPV |
Yellow Craig Plantation Vent |
Index Level |
| 18754 |
YM |
Yarmouth Roads Formation |
Pending Upgrade |
| 18755 |
YMF |
Yealm Formation |
Pending Upgrade |
| 18756 |
YMG |
Ystrad Meurig Grits Formation |
Pending Upgrade |
| 18757 |
YMG1 |
Ystrad Meurig Grits Facies [First Sequence] |
Index Level |
| 18758 |
YMG2 |
Ystrad Meurig Grits Facies [Second Sequence] |
Index Level |
| 18759 |
YMG3 |
Ystrad Meurig Grits Facies [Third Sequence] |
Index Level |
| 18760 |
YMGCG |
Chwarel Goch Facies [In Ystrad Meurig Grits Formation] |
Index Level |
| 18761 |
YMGH |
Henblas Facies [In Ystrad Meurig Grits Formation] |
Index Level |
| 18762 |
YNYSA |
Ynysarwed Coal (South Wales) |
Index Level |
| 18763 |
YNYSS |
Ynyslas Formation |
Full |
| 18764 |
YOB |
Yoredale Beds [Obsolete: use YORE] |
Index Level |
| 18765 |
YOC |
Yoredale Coal (Barnard Castle Area) |
Index Level |
| 18766 |
YOF |
Yoredale Formation (Offshore Areas) |
Full |
| 18767 |
YOHD |
Younger Head |
Index Level |
| 18768 |
YORE |
Yoredale Group |
Full |
| 18769 |
YORKM |
York Moraine Member |
Full |
| 18770 |
YOT |
Yottenfews Tuff Formation |
Full |
| 18771 |
YPS |
Yell Pegmatite Swarm |
Pending Upgrade |
| 18772 |
YR |
Yorke Rock |
Index Level |
| 18773 |
YRC |
Yard Coal (North Wales) |
Index Level |
| 18774 |
YRCL |
Yard Coal (Warwickshire) |
Index Level |
| 18775 |
YRD |
Yard Coal (Cumbria) |
Index Level |
| 18776 |
YRDC |
Yard Coal [Y] (Stoke) |
Index Level |
| 18777 |
YRG |
Younger River Gravels |
Index Level |
| 18778 |
YRL |
Yarlside Volcanic Formation |
Full |
| 18779 |
YS |
Yeovil Sands [Obsolete: use BDS] |
Index Level |
| 18780 |
YSB |
Burway Formation [Duplicate: use BUGP] |
Index Level |
| 18781 |
YSBB |
Buxton Rock [Obsolete: use BUR] |
Index Level |
| 18782 |
YSBC |
Cardingmill Grit [Obsolete: use CDDG] |
Index Level |
| 18783 |
YSDT |
Yellow Sandstone Member |
Pending Upgrade |
| 18784 |
YSG |
Ysguborwen Formation |
Pending Upgrade |
| 18785 |
YSH |
Stretton Shale Formation [Duplicate: use SNSH] |
Index Level |
| 18786 |
YSHH |
Helmeth Grit [Obsolete: use HLG] |
Index Level |
| 18787 |
YSL |
Lightspout Formation [Duplicate: use LTGP] |
Index Level |
| 18788 |
YSP |
Portway Formation [Duplicate: use PWG] |
Index Level |
| 18789 |
YSPH |
Huckster Conglomerate [Obsolete: use HCG] |
Index Level |
| 18790 |
YSPS |
Yell Sound Psammite Formation |
Full |
| 18791 |
YSS |
Synalds Formation [Duplicate: use SYGP] |
Index Level |
| 18792 |
YSSB |
Batch Volcanics [Obsolete: use BV] |
Index Level |
| 18793 |
YST |
Stretton Group |
Pending Upgrade |
| 18794 |
YSTOG |
Ystog Formation |
Full |
| 18795 |
YSTW |
Ystradwalter Member |
Pending Upgrade |
| 18796 |
YSY |
Linley Formation |
Full |
| 18797 |
YT |
Yartleton Formation |
Pending Upgrade |
| 18798 |
YTIL |
Younger Till |
Index Level |
| 18799 |
YTW |
Yat Wood Formation [Duplicate: use YAWO] |
Index Level |
| 18800 |
YV |
Yare Valley Formation |
Full |
page 376 of 377
