{"id":3744,"date":"2021-09-17T10:19:09","date_gmt":"2021-09-17T09:19:09","guid":{"rendered":"https:\/\/www.pontcysyllte-aqueduct.co.uk\/?post_type=object&#038;p=3744"},"modified":"2021-10-25T10:56:58","modified_gmt":"2021-10-25T09:56:58","slug":"gwaith-brics","status":"publish","type":"object","link":"https:\/\/www.pontcysyllte-aqueduct.co.uk\/cy\/object\/gwaith-brics\/","title":{"rendered":"Gwaith brics"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"<div class=\"entry-summary\">\nMae\u2019r gamlas yn cyflenwi blociau adeiladu Prydain Fictoraidd. Enw\u2019r clai sy\u2019n cael ei ganfod yn ardal Rhiwabon, i&#8217;r gogledd a&#8217;r dwyrain o&#8217;r Gamlas yn Nhrefor, yw Etruria Marl.  Fel mwyn haearn a thywodfaen yn yr ardal, mae cynnwys haearn uchel ynddo.  Pan gaiff ei danio, mae\u2019n troi yn liw coch cryf, yn debyg i nifer o\u2019r adeiladau yn y pentrefi ger y gamlas.\n<\/div>\n","protected":false},"featured_media":3678,"template":"","format":"standard","object-category":[163],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.13 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Gwaith brics - Safle Treftadaeth y Byd Dyfrbont Pontcysyllte a\u2019r Gamlas<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.pontcysyllte-aqueduct.co.uk\/cy\/object\/gwaith-brics\/\" \/>\n<meta property=\"og:locale\" content=\"cy_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gwaith brics - Safle Treftadaeth y Byd Dyfrbont Pontcysyllte a\u2019r Gamlas\" \/>\n<meta property=\"og:description\" content=\"Mae\u2019r gamlas yn cyflenwi blociau adeiladu Prydain Fictoraidd. Enw\u2019r clai sy\u2019n cael ei ganfod yn ardal Rhiwabon, i&#039;r gogledd a&#039;r dwyrain o&#039;r Gamlas yn Nhrefor, yw Etruria Marl. Fel mwyn haearn a thywodfaen yn yr ardal, mae cynnwys haearn uchel ynddo. 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Enw\u2019r clai sy\u2019n cael ei ganfod yn ardal Rhiwabon, i'r gogledd a'r dwyrain o'r Gamlas yn Nhrefor, yw Etruria Marl. Fel mwyn haearn a thywodfaen yn yr ardal, mae cynnwys haearn uchel ynddo. 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