| 词条 | Waldringfield Pit |
| 释义 |
|image= Waldringfield Pit.jpg |image_caption = View towards Waldringfield Pit |name= Waldringfield Pit |aos= Suffolk |interest=Geological |gridref={{gbmappingsmall| TM 260 448 }}[1] |area= 0.8 hectares[1] |notifydate= 1991[1] |map=Magic Map }}Waldringfield Pit is a 0.8 hectare geological Site of Special Scientific Interest between Martlesham Heath and Waldringfield in Suffolk.[1][2] It is a Geological Conservation Review site.[3] This site exposes a sequence of Pleistocene deposits, with the early Red Crag overlain by Waldringfield Gravels, the lowest unit of the Kesgrave Sands and Gravels, which were deposits on the bed of the River Thames before it was diverted south by the Anglian Glaciation around 450,000 years ago. Waldringfield Pit is the type site for the Waldringfield Gravels.[4][5] The site is private land with no public access. References1. ^1 2 3 {{cite web|url= https://designatedsites.naturalengland.org.uk/SiteDetail.aspx?SiteCode=S1002231&SiteName=waldrin&countyCode=&responsiblePerson=&SeaArea=&IFCAArea= |title=Designated Sites View: Waldringfield Pit | series= Sites of Special Scientific Interest|publisher=Natural England|accessdate = 20 August 2017}} {{coord| 52.055| 1.295|type:landmark_region:GB-BNE|display=title}}{{SSSIs Suffolk }}2. ^{{cite web|url= http://magic.defra.gov.uk/MagicMap.aspx?startTopic=Designations&activelayer=sssiIndex&query=HYPERLINK%3D%271002231%27|title=Map of Waldringfield Pit|series= Sites of Special Scientific Interest|publisher=Natural England|accessdate= 20 August 2017}} 3. ^{{cite web|url= http://jncc.defra.gov.uk/default.aspx?page=4174&gcr=2333 |title= Waldringfield (Quaternary of East Anglia) |series=Geological Conservation Review |publisher=Joint Nature Conservation Committee|accessdate= 20 August 2017}} 4. ^{{cite web|url= http://www.sssi.naturalengland.org.uk/citation/citation_photo/1002231.pdf |title=Waldringfield Pit citation|series= Sites of Special Scientific Interest|publisher=Natural England|accessdate= 20 August 2017}} 5. ^{{cite book|url=http://jncc.defra.gov.uk/pdf/V7Chap1.pdf|page=21|first=D. R. |last=Bridgland|title=The Pleistocene of the Thames|date=1994|publisher=Chapman and Hall|isbn= 0 41248 830 2|location=London, UK}} 2 : Sites of Special Scientific Interest in Suffolk|Geological Conservation Review sites |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。